Benzyl alcohol mercaptan

DMSO or other sulfoxides react with trimethylchlorosilanes (TCS) 14 or trimefhylsilyl bromide 16, via 789, to give the Sila-Pummerer product 1275. Rearrangement of 789 and further reaction with TCS 14 affords, with elimination of HMDSO 7 and via 1276 and 1277, methanesulfenyl chloride 1278, which is also accessible by chlorination of dimethyldisulfide, by treatment of DMSO with Me2SiCl2 48, with formation of silicon oil 56, or by reaction of DMSO with oxalyl chloride, whereupon CO and CO2 is evolved (cf also Section 8.2.2). On heating equimolar amounts of primary or secondary alcohols with DMSO and TCS 14 in benzene, formaldehyde acetals are formed in 76-96% yield [67]. Thus reaction of -butanol with DMSO and TCS 14 gives, via intermediate 1275 and the mixed acetal 1279, formaldehyde di-n-butyl acetal 1280 in 81% yield and methyl mercaptan (Scheme 8.26). Most importantly, use of DMSO-Dg furnishes acetals in which the 0,0 -methylene group is deuter-ated. Benzyl alcohol, however, affords, under these reaction conditions, 93% diben-zyl ether 1817 and no acetal [67]. 

C7H80 benzyl alcohol 100-51-6 8.110E+09 64.110 12300 C7H16S heptyi mercaptan 1639-09-4 1.254E-I-10 89.860... 

Claisen rearrangement. On contrary, thioethers 226 and 227 synthesized by the reaction of the corresponding furan or thiophene with allyl mercaptane are thermally stable and no evidence of thio-Claisen rearrangement of these compounds was found. ° The fluorine atom of 2-fluoro-3-trifluoromethylfurans and thiophenes can be replaced upon nucleophilic substitution with benzyl alcohols. Compounds 228 are susceptible to [1,3]- and [l,5]-benzyl group migration. " ... 

Individual amino acids show considerable differences in their propensity for racemization. This is exceptionally pronounced in derivatives of S-benzyl-cysteine, 0-benzyl-serine and S-cyanoalanine. The role of the substituent on the jS-carbon atom is not obvious. Early assumptions of j8-elimination, that is the reversible elimination-addition of benzyl mercaptane, benzyl alcohol or HCN, were not supported by the extensive studies of J. Kovacs. This example shows, however, that the azlactone mechanism, while it appears to be the most important pathway of racemization, is not the only process which leads to diminished chiral purity. For instance it is reasonable to consider that... 

Benzenemethanethiol. See Benzyl mercaptan Benzenemethanol. See Benzyl alcohol Benzenemethanol, 3,5-bis (1,1-dimethylethyl)-4-hydroxy-. See 4-Hydroxymethyl-2,6-di-t-butylphenol... 

Phenylmercury propionate. See Phenylmercuric propionate Phenylmercury triethanolamine lactate. See Phenylmercuritriethanolammonium lactate Phenylmethanal. See Benzaldehyde Phenyl methane. See Toluene Phenylmethanethiol. See Benzyl mercaptan Phenylmethanol. See Benzyl alcohol Phenyl methicone CAS 63148-58-3... 

Vestyron 136 Vestyron 214 Vestyron 214A Vestyron 224 Vestyron 314 Vestyron 325 Vestyron 512 Vestyron 516 Vestyron 527 S Vestyron 535 S Vestyron 548 S Vestyron 554 S Vestyron 616 Vestyron 620 Vestyron 624 Vestyron 628 Vestyron 638 Vestyron 640 Vestyron 645 S Vestyron 652 Vestyron TSG 502, TSG 504 Vestyron TSG 602, TSG 604 Witcopaque 11,12, 25 202-853-6 Benzyl chloride 202-854-1 N-Benzylamine Sumine 2005 202-855-7 Benzonitrile 202-859-9 Benzyl alcohol Unichem BZAL 202-860-4 Benzaldehyde 202-862-5 Benzyl mercaptan 202-864-6 Pyridine-3-methanol 202-865-1... 

Reaction of 2-fluoro-3-trifluoromethylfurans 235 with allyl alcohols followed by Claisen rearrangement directly produced butenolides 237 [145, 146]. Oppositely, allyl mercaptane formed stable substitution product 236 [146], A similar transformation was reported for benzyl alcohols. While benzhydryl and (2-thienyl)methyl groups migrated at room temperature directly furnishing butenolides 239, in the case of benzyloxy derivatives, heating at 120 °C was required to reach the transformation. On the other hand, stable up to 140 °C products 238 were formed in the reaction of benzylamine, benzyl mercaptane, and 2-(hydroxymethyl)pyridine [147]. 

SYNS BENZYLHYDROSULFIDE BENZYL MERCAPTAN BENZYLTHIOL (MERCAPTOMETH-YL)BENZENE o-MERCAPTOTOLUENE METHANETHIOL, PHENYL- PHENYLMETHAN-ETHIOL PHENYLMETHYL MERCAPTAN THIOBENZYL ALCOHOL a-TOLYL MERCAPTAN USAF EK-1509... 

In a study of the reducing action of various thiols at 0.1 M concentration in aqueous solutions of alcohols (Maclaren, 1962), benzyl mercaptan was found to be the most effective. Maximum reduction exceeding 90 % was obtained in 20 % propanol solution, and under these conditions the wool remained intact. If 5 M Nal was incorporated in the solution approximately 65 % of the protein was extracted in 48 hr at 20°C under essentially neutral conditions (Maclaren, unpublished observations, 1962). This protein could be alkylated with iodoacetate and fractioned into low-sulfur and high-sulfur fractions using the methods of Gillespie. 

Beilstein Handbook Reference) AI3-22955 Benzenemethanethioi Benzyl hydrosuifide Benzyl mercaptan Benzylhydrosulfide Benzylthiol BRN 0605864 EINECS 202-862-5 FEMA No. 2147 HSDB 2106 Methanethiol, phenyl- NSC 41897 Phenylmethanethiol Phenylmethyl mercaptan Thiobenzyl alcohol Toluene, a-mercapto- Toluene-a-thiol USAF ex-1509. Oil mp = -30 bp = 194,5 d O = 1,068 X,m = 263, 269 nm (cyclohexane) insoluble in H2O, slightly soluble in CCI4, soluble in CS2 very soluble in EtOH, Et20. 

UN 1228 (DOT) UN 3071 (DOT) FEMA 2147 Synonyms Benzenemethanethiol Benzyl hydrosulfide Benzylthiol (Mercaptomethyl) benzene a-Mercaptotoluene Methanethiol, phenyl- Phenylmethanethiol Phenylmethyl mercaptan Thiobenzyl alcohol a-Toluenethiol a-Tolyl mercaptan... 

Thiobenzyl alcohol. See Benzyl mercaptan 2,2 -Thiobisacetamide. See Thiodiglycolamide 2,2 -Thiobisacetic acid. See Thiodiglycolic acid 4,4 -Thiobis (aniline) 4,4 -Thiobisbenzenamine. See 4,4 -Thiodianiline 1,1 -Thiobisbutane. See Butyl sulfide 4,4 -Thiobis-6-(t-butyl-m-cresol)... 

Benzyl octanoate Benzyl valerate L-Bomeol t-Butyl alcohol Butyl crotonate Butyl isohexanoate n-Butyl mercaptan Butyl octanoate Butyl sorbate Butyraldehyde diethyl acetal... 

N-Benzyldimethylamine Benzyltriethyl ammonium chloride Benzyl trimethyl ammonium chloride Bis (2-ethylhexyl) maleate Bis (glycidoxypropyl) tetramethyidisiloxane 3-[Bis (2-hydroxyethyl) amino] propyltriethoxysilane N,N -Bis (2-hydroxypropyl)-2-methylpiperazine Bis-(N-methylbenzamide) ethoxymethyl silane Bisphenol A ethoxylate diacrylate Bis-(3-(triethoxysilyl) propyl) tetrasulfane Bis (trimethoxysilylpropyl) ethylene diamine Bis (trimethylsilyl) urea 1-Butoxyethoxy-2-propanol Butoxytriglycol t-Butyl alcohol n-Butyl chloroformate n-Butyldimethylchlorosilane Butyl lactate t-Butyl mercaptan Butyl myristate t-Butyl perbenzoate Butyl sulfide Calcium undecylenate C8-10 alcohols C14-15 alcohols... 

Benzyl butyrate Benzyl mercaptan L-Camphor Fenchyl alcohol Methyl acetate 2-Methyl-2-butanethiol Methyl hexyl ketone Methyl salicylate a-Pinene Pine (Pinus palustris) oil... 

Benzyl Mercaptan (Thiobenzyl alcohol) CgHj-CHgSH... 

Oxo compds. from alcohols. Ba(Mn04)2 added to a soln. of benzhydrol in acetonitrile, and the mixture refluxed for 1 h - benzophenone. Y 99%. Ba(Mn04)2 is a mild, stable oxidant, efficiently oxidizing prim, and sec. alcohols in aprotic media, whilst leaving double bonds unaffected sec. benzylic hydroxyl groups are oxidized more rapidly than non-benzylic hydroxy groups. F.e., also oxidation of (3-hydroxyketones, and preparation of disulfides from mercaptans, s. H. Firouzabadi et al.. Synthesis 1989, 378-80. 

Triphenylmethanol treated with 0.55 eqs. of Lawesson s reagent in DME at room temp, under argon for 15 h (or in toluene under reflux for ca. 10 min) triphenyl-methanethiol. Y 100%. Reaction of tert. alcohols possessing an alkyl group at the a-position led to alkene formation (especially in refluxing toluene), but thiol formation predominated at lower temp. F.e. [of sec. and tert. benzylic or allylic mercaptans] s. T. Nishio, J. Chem. Soc. Chem. Commun. 1989, 205-6. 

To a concentrated solution of 1 g of the add in water or alcohol add a few drops of phenolphthalein, and neutralize with N sodium hydroxide solution. Treat the solution so formed (or a solution of 1 g of the solid sodium or potassium salt) with 2 drops of N hydrochloric acid and add a solution of 2g of 5-benzylthiuronium chloride in 10 ml of water. (The presence of an unpleasant odour at this stage indicates decomposition of the reagent to benzyl mercaptan.) Cool in ice to precipitate the salt, and filter. Recrys-tallization (aqueous alcohol) is sometimes difficult. 

Benzyl mercaptan, polymers with Co,Ni, Pd, or Tl, 322,322 Beryllium acetate, basic, 280 polymers with alcohols, thermolysis of, 243, 244... 

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