6705-33-5, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 6705-33-5, name is Pyrazin-2-ylmethanol, This compound has unique chemical properties. The synthetic route is as follows.
Synthesis of 2-(chloromethyl)pyrazine: To a stirred solution of pyrazin-2-ylmethanol (0.3 g 2.72 mmol) in DCM (10 mL) was added SOCl2 (1 mL) at 0 C under inert atmosphere. The reaction mixture was heated up to 50 C and stirred for 2 h. After completion of starting material (by TLC), the volatiles were evaporated under reduced pressure. The residue was quenched with ice cold water followed by saturated NaHC03 and extracted with EtOAc. Combined organic layer was dried over sodium sulphate, filtered and concentrated in vacuo to obtain the crude product. The crude material was purified by silica gel column chromatography to afford 2-(chloromethyl)pyrazine (110 mg, 20.4%) as liquid. 1H-NMR (CDC13, 400 MHz): delta 8.74 (s, 1H), 8.58-8.56 (m, 2H), 4.71 (s, 2H); LC-MS: 98.86%; 129 (M++l) (column; Eclipse XDB C-18, (150×4.6 mm, 5.0mu); RT 4.83 min. 5mM NH4OAc: ACN; 1.0 ml/min); TLC: 70% EtOAc/Hexane (Rf: 0.6). x. f3r,5r,7r)-2,5-dioxopyrrolidin-l-yl adamantane-l-carboxylate:
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Reference:
Patent; ENVIVO PHARMACEUTICALS, INC.; RIPKA, Amy; SHAPIRO, Gideon; MCRINER, Andrew; WO2012/40230; (2012); A1;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem