Category: Thiomorpholine

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: (R)-(9H-Fluoren-9-yl)methyl (1-chloro-4-methyl-1-oxopentan-2-yl)carbamate, is researched, Molecular C21H22ClNO3, CAS is 198544-60-4, about Total Solid Phase Syntheses of the Quinazoline Alkaloids: Verrucines A and B and Anacine.Electric Literature of C21H22ClNO3.

The first total syntheses of verrucines A and B and anacine (revised structure) were accomplished on Sasrin resin. This work confirmed the structure of verrucine A and unambiguously showed verrucine B to be a derivative of D-phenylalanine and L-glutamine. The study also proved that anacine and its epimer are quinazoline alkaloids, not benzodiazepines as originally proposed. 1-Hydroxyverrucine B, derived from air oxidization of verrucine B, was also isolated and characterized.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Imidazole series. XX. Aminonitroimidazoles and diaminoimidazoles》. Authors are Kochergin, P. M.; Verenikina, S. G.; Bushueva, K. S..The article about the compound:1-Methyl-4-nitro-1H-imidazol-5-aminecas:4531-54-8,SMILESS:NC1=C([N+]([O-])=O)N=CN1C).Computed Properties of C4H6N4O2. Through the article, more information about this compound (cas:4531-54-8) is conveyed.

cf. preceding abstract The aminonitroimidazoles I-XII were prepared by heating the corresponding nitrochloroimidazoles with a 8-15% alc. NH3 solution at 120-50° for 5-10 hrs. The products I, VII, and XII were obtained in the presence of CuSO4 catalyst (formula, R, m.p., and % yield 131-1.5°, 15-20; VII, iso-Bu, 108-10°, 15; VIII, H, 222.5-23°, 30.5; IX, Me, 198-9°, 39.5; X, Et, 160-1°, 58; XI, Pr, 130-1°, 32; XII, iso-Bu, 129-30°, 21.5. The hydrogenation of II in Ac2O in the presence of Raney Ni gave 1-ethyl-2-methyl-4,5-diaminoimidazole diacetate at 30-45° and initial H pressure of 10 atm. and tetraacetate at 50-80° and 100 atm.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Application In Synthesis of 1-Iodo-2-methylbutane. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Gamma radiolysis of branched chain hydrocarbons. 2,3-Dimethylbutane. Author is Castello, Gianrico; Grandi, Francesco; Munari, Stelio.

The γ-radiolysis of liquid 2,3-dimethylbutane at room temperature was investigated under vacuum. Iodine was used as a free radical scavenger and the formed alkyl iodides were analyzed by gas chromatog. with electron capture detector. Irradiations of frozen 2,3-dimethylbutane at 77°K were also performed. The fragmentation products and many of those having a number of C atoms higher than the parent were identified and measured. The formation of the identified heavy products is mainly due to recombination of radicals, as demonstrated by the comparison between their yields and those of alkyl iodides.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Fumigation of agricultural products. XII. Sorption of methyl bromide on groundnuts》. Authors are Somade, H. M. B..The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Safety of 1-Iodo-2-methylbutane. Through the article, more information about this compound (cas:616-14-8) is conveyed.

Sorption of MeBr on groundnuts (I) was studied with both undecorticated I and I separated into husk, cotyledon, and germ. Successful treatment of I with MeBr depended on the moisture content of the nuts. Impairment of germination following MeBr treatment was observed when the moisture content exceeded 5%. Sorption of MeBr was found to increase more rapidly than the dosage, necessitating careful dosage control. At concentrations lower than that critical for a particular moisture content and period of fumigation, a slight stimulating action of MeBr on germination was observed.

There is still a lot of research devoted to this compound(SMILES：CCC(CI)C)Safety of 1-Iodo-2-methylbutane, and with the development of science, more effects of this compound(616-14-8) can be discovered.

Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Vital signs: trends in use of long-acting reversible contraception among teens aged 15-19 years seeking contraceptive services—United States, 2005-2013.》. Authors are Romero, Lisa; Pazol, Karen; Warner, Lee; Gavin, Lorrie; Moskosky, Susan; Besera, Ghenet; Loyola Briceno, Ana Carolina; Jatlaoui, Tara; Barfield, Wanda; Centers for Disease Control and Prevention (CDC).The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Recommanded Product: 616-14-8. Through the article, more information about this compound (cas:616-14-8) is conveyed.

BACKGROUND: Nationally, the use of long-acting reversible contraception (LARC), specifically intrauterine devices (IUDs) and implants, by teens remains low, despite their effectiveness, safety, and ease of use. METHODS: To examine patterns in use of LARC among females aged 15-19 years seeking contraceptive services, CDC and the U.S. Department of Health and Human Services’ Office of Population Affairs analyzed 2005-2013 data from the Title X National Family Planning Program. Title X serves approximately 1 million teens each year and provides family planning and related preventive health services for low-income persons. RESULTS: Use of LARC among teens seeking contraceptive services at Title X service sites increased from 0.4% in 2005 to 7.1% in 2013 (p-value for trend <0.001). Of the 616,148 female teens seeking contraceptive services in 2013, 17,349 (2.8%) used IUDs, and 26,347 (4.3%) used implants. Use of LARC was higher among teens aged 18-19 years (7.6%) versus 15-17 years (6.5%) (p<0.001). The percentage of teens aged 15-19 years who used LARC varied widely by state, from 0.7% (Mississippi) to 25.8% (Colorado). CONCLUSIONS: Although use of LARC by teens remains low nationwide, efforts to improve access to LARC among teens seeking contraception at Title X service sites have increased use of these methods. IMPLICATIONS FOR PUBLIC HEALTH PRACTICE: Health centers that provide quality contraceptive services can facilitate use of LARC among teens seeking contraception. Strategies to address provider barriers to offering LARC include: 1) educating providers that LARC is safe for teens; 2) training providers on LARC insertion and a client-centered counseling approach that includes discussing the most effective contraceptive methods first; and 3) providing contraception at reduced or no cost to the client. There is still a lot of research devoted to this compound(SMILES：CCC(CI)C)Recommanded Product: 616-14-8, and with the development of science, more effects of this compound(616-14-8) can be discovered.

Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

Recommanded Product: (R)-(9H-Fluoren-9-yl)methyl (1-chloro-4-methyl-1-oxopentan-2-yl)carbamate. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: (R)-(9H-Fluoren-9-yl)methyl (1-chloro-4-methyl-1-oxopentan-2-yl)carbamate, is researched, Molecular C21H22ClNO3, CAS is 198544-60-4, about Chemical genetics approach to identify new small molecule modulators of cell growth by phenotypic screening of Saccharomyces cerevisiae strains with a library of morpholine-derived compounds. Author is Trabocchi, Andrea; Stefanini, Irene; Morvillo, Manfredi; Ciofi, Leonardo; Cavalieri, Duccio; Guarna, Antonio.

A chem. genetics approach has been applied in the screening of yeast deletants strains with a pool of morpholine-derived compounds in order to identify candidate small mols. able to produce phenotypic effects on yeast cells. The anal. of the effects of structurally diverse mols. towards cell growth rate in both exponential and stationary phases provides a tool to select candidate compounds for subsequent assays to identify new chem. entities as chem. probes for drug discovery.

There is still a lot of research devoted to this compound(SMILES：O=C(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)N[C@H](CC(C)C)C(Cl)=O)Recommanded Product: (R)-(9H-Fluoren-9-yl)methyl (1-chloro-4-methyl-1-oxopentan-2-yl)carbamate, and with the development of science, more effects of this compound(198544-60-4) can be discovered.

Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Interaction of hydroxy compounds and phosphorus and thionyl halides in the absence and in the presence of tertiary bases. VI》. Authors are Berlak, Marianne C.; Gerrard, Wm..The article about the compound:1-Iodo-2-methylbutanecas:616-14-8,SMILESS:CCC(CI)C).Computed Properties of C5H11I. Through the article, more information about this compound (cas:616-14-8) is conveyed.

cf. C.A. 41, 93d. The following yields (in %) of alkyl iodide were obtained from the resp. alc. and 0.33 mol. PI3 in CS2 at 15-20° in 24 h. (other exptl. conditions indicated): PrOH 40; iso-PrOH 20 (72 h. 21; 1 mol. 18); BuOH 43 (72 h. 61, 2.5 h. at b.p. 48; 1 mol. for 24 or 72 h. 56); sec-BuOH 60 (72 h. 58; 1 mol. 61); tert-BuOH 20 (also 72 h.; 1 mol. 17); sec-BuCH2OH 48 (68 h. 44, 1 mol. 45); Pr2CHOH 74 (1 mol. 80); C8H17OH 42 (1 mol. 56); C6H13CH(Me)OH (I) 36 (0.66 mol. for 24 or 72 h. 66, 1 mol. 75). (+)-I (6.5 g.) and 3.95 g. C5H5N in 50 cc. CS2 at -10°, treated with 6.9 g. PI3, give 9.3 g. C5H5N.HI; further addition of 13.8 g. PI3 gives 7.78 g. C6H13CHIMe, αD18 -56.8% BuOH and C8H17OH show a similar behavior. (-)-Dimethylhexylcarbinyl H phosphite (4.6 g., αD22 -12.6°) at -10°, treated (1 h.) with HI and kept 18 h. at 15° gives 5.93 g. (+)-C6H13CHIMe, αD20 45.8°. (BuO)2PHO (6.5 g.), treated 50 min. at -10° with HI and kept 30 min. at -10°, gives 2.65 g. BuI; if the reaction is carried out without cooling (temperature rise from 19 to 23°), there results 5.3 g. BuI. (RO)2HPO react much more readily with HI than with HCl or HBr. The mechanism of the reaction is discussed.

There is still a lot of research devoted to this compound(SMILES：CCC(CI)C)Computed Properties of C5H11I, and with the development of science, more effects of this compound(616-14-8) can be discovered.

Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Pheromone synthesis. Part 259: Synthesis of seven methyl-branched hydrocarbons as the pheromone candidates for female Korean apricot wasp, Eurytoma maslovskii, published in 2016-07-28, which mentions a compound: 616-14-8, mainly applied to pheromone synthesis Korean apricot wasp branched hydrocarbon, Synthetic Route of C5H11I.

Seven new methyl-branched hydrocarbons were synthesized, which were the pheromone candidates of the female Korean apricot wasp (Eurytoma maslovskii). They are (Z)-15-methyl-7-nonacosene (I), (Z)-17-methyl-7-hentriacontene (II), 3,7-dimethylheptacosane (III), 8,12-dimethyltriacontane (IV), 8,18-dimethyltriacontane (V), 3,7,11-trimethylnonacosane (VI), and 3,7,17-trimethylnonacosane (VII). All of them were synthesized as stereoisomeric mixtures, employing short and simple routes. Hydrocarbon VII was synthesized via 4,8-dimethyldecanal (tribolure), the red flour beetle pheromone. The hydrocarbons I, II, III and VI were identified by GC-MS anal. as the components (with unknown stereochem.) of the female-specific secretion of E. maslovskii.

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

SDS of cas: 616-14-8. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1-Iodo-2-methylbutane, is researched, Molecular C5H11I, CAS is 616-14-8, about Gas chromatography of alkyl halides on a silicone oil capillary column. Author is Hepburn, D. R.; Hudson, H. R..

RX (R = C3H7, C4H9, and C5H11; X = Cl-, Br-, and I-) isomers were separated and identified by gas chromatog. on a capillary column containing silicone fluid MS 550 at 20° with N carrier gas and a flame ionization detector. The straight-chain secondary hexyl, heptyl, and octyl halide isomers were similarly separated at 20-80°. The technique was used to analyze quant. 27 com. available secondary alkyl halides for their isomeric composition

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Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Asymmetric reductions. VI. The action of the Grignard reagent from (+)-1-chloro-2-methylbutane on a series of alkyl tert-butyl ketones, published in 1959, which mentions a compound: 616-14-8, mainly applied to , Electric Literature of C5H11I.

cf. C.A. 51, 1828h. Title reactions were carried out with six ketones, and the % asymmetric reduction, i, was determined by comparing the observed rotation of each resulting carbinol with the maximum rotation of pure isomers obtained by resolution. The absolute configurations of the prepared carbinols were determined and R, [α]25D (neat), and i were as follows: Me, 0.63°, 13.4; iso-Pr, -0.38°, 4.6; Et, -2.94°, 10.7; Pr, -3.87°, 11.3; Bu, -3.78°, 11.0; and iso-Bu, -2.56°, 5.9. The results agreed with a reaction mechanism of Grignard reduction involving an intermediate cyclic six-membered transition state in which stereospecificity was controlled by steric interaction of the alkyl and tert-butyl groups of the ketones and the Me and Et groups of the Grignard reagent. The alkyl tert-butyl ketones were prepared by coupling the appropriate acid chloride, RCOCl, with the Grignard reagent from freshly distilled tert-BuCl in the presence of Cu2Cl2 to yield the following products (R, % yield based on Grignard reagent, b.p., and n25D given): Me, 33, 105.2°, 1.3974; Et, 89, 125.0-5.8°, 1.4049-51; Pr, 63, 145.0-5.8°, 1.4109-11; iso-Pr, 36, 135.2-6.7°, 1.4049-68; Bu, 69, 167.0-9.0°, 1.4149-59; and iso-Bu, 40, 155.5-7.0°, 1.4135-42. Only the Me and Pr tert-butylcarbinols were resolved in earlier work, and the resolution of the remaining four, by classical methods (Ingersoll, C.A. 38, 29257), is reported here. Racemic tert-BuCHEtOH (I), b. 136°, n20D 1.4235, was converted to the dl-acid phthalate, m. 88.0-8.3°. By procedures involving brucine and recrystallizations the (-)-acid phthalate (II) was obtained, m. 91.0-1.5°, [α]27D -3.75° (c 20.5, CHCl3), the rotation in CHCl3 being concentration dependent, 2.2° (c 1.5). (+)-I was regenerated from II, n20D 1.4230, α23D 27.40° (neat, l 1); acetate from (+)-I b38 74°, α24D 12.16° (neat, l 0.5), d23 0.856; benzoate from (-)-I b0.8 20°, α25D -3.19° (neat, l 0.5), n20D 1.4912, d23 0.957. Racemic tert-BuCH(OH)Pr-iso (III), b. 150.9-1.1°, n20D 1.4290-9, gave the dl-acid phthalate, m. 114.5-16.0°. The brucine salt was prepared and a less soluble form obtained, m. 173-5°, [α]28D -23°, which on hydrolysis gave an acid phthalate (IV), m. 100.5-3.0°, [α]25D 0.00°, which was hydrolyzed to (-)-III, α28D -7.22° (neat, l 1). Hydrolysis of the more soluble form of the brucine salt, [α]28D -16.1°, gave an acid phthalate (V), [α]28D 0.00°, which on hydrolysis gave (+)-III, α28D 7.22° (neat, l 1). The strychnine salt of IV was also prepared, [α]28D -25.7°, the acid phthalate regenerated, and converted to (-)-III, α28D -8.94° (neat, l 1), n20D 1.4300. The cinchonine salt of V was prepared, m. 144-7° (decomposition), [α]28D 106°, from which an acid phthalate was regenerated, m. 105.5-7.0°, and hydrolyzed to (+)-III, α28D 9.06° (neat, l 1). These latter values of -8.94° for (-)-III and 9.06° for (+)-III were considered best values. Also prepared were acetate of (+)-III, b155 130°, n21D 1.4166, α28D -1.44° (neat, l 1), and benzoate of (+)-III, b32 195°, n19D 1.4969, α25D -0.16° (neat, l 1). Racemic tert-BuCH(OH)Bu-iso (VI), b150 115-16°, n25D 1.4309, m. 17°, gave acid phthalate (VII), m. 83.5-4.5°. Strychnine was used in the resolution and eventually (+)-VII was obtained, m. 75.6-7.5°, [α]23D 8.7° (c 1.5, CHCl3), hydrolyzed to (+)-VI, m. 40-1°, α26D 57.5° (c 20.4, MeOH), and α23D 54.5° (neat, by extrapolation of rotation-concentration curve); acetate of (+)-VI b17 73°, α22D 15.15° (neat, l 0.5), n20D 1.4176, d22 0.852; benzoate of (+)-VI b0.6 88°, α25D 8.24° (neat, l 0.5), n20D 1.4870, d25 0.955. Racemic tert-BuCHBuOH (VIII), n20D 1.4320, was converted to acid phthalate (IX), m. 100.5-2.0°, and then to the strychnine salt. The regenerated (+)-IX was a glass, α23D 4.5° (c 2.8, CHCl3), which was saponified to (+)-VIII, n20D 1.4314, α24D 17.10° (neat, l 0.5). The (-)-phthalate from the more soluble fractions of strychnine salt gave (-)-VIII, α24D -16.39° (neat, l 0.5). The dl-tetrachlorophthalate of VIII was also prepared, m. 126-8°, converted to the strychnine salt, and the less soluble form, [α]25D -12°, hydrolyzed to (-)-acid tetrachlorophthalate, α22D -9.69°, which was saponified to (+)-VIII, α22D 13.70° (neat, l 0.5); 3,5-dinitrobenzoate (X) of (+)-VIII m. 107.5° (MeOH), α25D 10.0° (c 2.4, CHCl3); 3,5-dinitrobcnzoate of dl-VIII, m. 84.0-4.5°. X was saponified to (+)-VIII, b23 76°, α25D 17.12° (neat, l 0.5), n20D 1.4310, d26 0.823. The value for pure (+)-VIII was taken as α25D 34.24° (neat, l 1). From (-)-VIII, α25D -32.8° (neat, l 1), was prepared: acetate, b20 87°, α26D -11.25° (neat, l 0.5), n20D 1.4191, d26 0.851; benzoate, b0.5 98°, α25D -7.29° (neat, l 0.5), n20D 1.4887, d25 0.936; p-nitrobenzoate, b0.5 144-5°, α29D -12.50°, n25D 1.5070. Some work was done with the Grignard reagents of the following prepared compounds: (+)-1-bromo-2-methylbutane, b100 60.8°, n20D 1.4453, α24D 4.22° (neat, l 1), 84% optical purity, a 2nd preparation b100 57-8°, α26.6D 4.66°, 93% optical purity; and (+)-1-iodo-2-methytbutane, n20D 1.4955-69, α21D 8.65° (neat, l 1), 98.5% optical purity, 2nd preparation b53 70°, n20D 1.4969-72, α25D 16.8° (neat, l 2), optical purity 96.5%.

There is still a lot of research devoted to this compound(SMILES：CCC(CI)C)Electric Literature of C5H11I, and with the development of science, more effects of this compound(616-14-8) can be discovered.

Reference:
Thiomorpholine – Wikipedia,
Thiomorpholine | C4H9NS – PubChem