查看详情 纯铁助溶剂 A型,C型,20-40目 100g/瓶 分析纯 翁江试剂 ￥160.00 查看详情 3,4,5-三氟苯乙炔| 158816-55-8 纯度≥98.0% 翁江试剂 ￥480.00 查看详情 1-十六烷硫醇 CAS;2917-26-2 98% 分析纯 PB05920 ￥40.00 查看详情 N-Boc-4,4-二氟-L-脯氨酸甲酯| 203866-17-5 ≥98.0% ￥32...
6 and on substitution of (i) Cyclopropyllithium with Diphenyl Disulfide (eq 4 ), (ii) cyclopropyl bromide with potassium benzenethiolate (eq 5 ) 7 or (iii) 1,1-dibromocyclopropane , 8 also with benzenethiolates, and by reduction of α-bromocyclopropyl phenyl sulfide with sodium methanethiola...
Tyr-Pro-Ser-Lys-Pro-Asp-Cys-Pro-D-Lys(Ac)-Glu-Arg-Tyr-Cys-Ser-Ala-Leu-Arg-D-His-Tyr-Ile-Asn-Leu-Ile-Thr-Arg-Pro-Arg-Tyr-NH2 Disulfide bridge Cys7-Cys21 Tyr-Ala-Gly-Cys-Lys-Asn-Phe-Phe-D-Trp-Lys-Thr-Phe-Thr-Ser-Cys (Disulfide bridge Cys3-Cys14) Valsartan Benzyl Ester...
Treatment of compounds of general formula XIVa (Scheme 4) with a reagent such as Lawesson's reagent (2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide) gives compounds of general formula XVa. Reduction of the nitro group of compounds of general formula XVa gives compounds...
(4-propoxyphenylmethyl)-4-[bis(4-trifluoromethoxyphenyl)hydroxymethyl]pi peridine (prepared in Example 10) in about 13.4 mL of 1,2-dimethoxyethane was stirred, and 1.3 grams (0.003 mole) of 2,4-bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane-2,4-disulfide (Lawesson's Reagent) was ...
(3′-tert-butyl-2′-hydroxy-5′-methylbenzyl)-6-tert-butyl-4-methylphenyl]terephthalate, 1,1-bis(3,5-dimethyl-2-hydroxyphenyl)butane, 2,2-bis(3,5-di-tert-butyl-4-hydroxyphenyl)propane, 2,2-bis-(5-tert-butyl-4-hydroxy-2-methylphenyl)-4-n-dodecylmercaptobutane, 1,1,5,5-tetra(5...
Propyl propenyl disulfide; Propyl allyl disulfide; Propyl allyl trisulfide; 1-propenyl allyl trisulfide; Di(1-propenyl)disulfide; Di(1-propenyl)trisulfide; Thioethanal-S-oxide; Propyl propene thiosulfonate; Thiobutanal-S-oxide; Thiohexanal-S-oxide; Propyl propane thiosulfonate; Propy...
diphenyl ethers, for example 2,2'-thiobis(6-tert-butyl-4-methylphenol), 2,2'-thiobis(4-octylphenol), 4,4'-thiobis(6-tert-butyl-3-methylphenol), 4,4'-thio-bis(6-tert-butyl-2-methylphenol), 4,4'-thiobis(3,6-di-sec-amylphenol), 4,4'-bis(2,6-dimethyl-4-hydroxyphenyl)disulfide. ...
was added sodium nitrite (1.99 g, 28.9 mmol) in H2O (10 mL). After 1.5 h, the mixture was allowed to warm to 25° C. and stirred for 1.5 h. Methyl disulfide (10.7 mL, 120 mmol) was added and the mixture heated to 70° C. for 18 h. The solvent was removed, in vacuo, to ...
To a stirred and cooled (ice-bath) mixture of 12.6 parts of carbon disulfide, 2.1 parts of N,N'-methanetetraylbis[cyclohexanamine] and 30 parts of pyridine were added 5.8 parts of cis-4-[4-[4-[2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxola n-4-ylmethoxy]phenyl]...