午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List METHYL THIOPHENE-3-ACETATE
58414-52-1

METHYL THIOPHENE-3-ACETATE synthesis

10synthesis methods
-

Yield:-

Reaction Conditions:

Stage #1:thiophen-3-yl-acetic acid;diazomethyl-trimethyl-silane in methanol at 0; for 3 h;
Stage #2: with acetic acid in methanol

Steps:

41 Preparation of methyl 2-(thiophen-3-yl)acetate (E41)
Example 41 Preparation of methyl 2-(thiophen-3-yl)acetate (E41) To 2-(thiophen-3-yl)acetic acid in MeOH at 0° C. was added TMS-CH2N2. The solution was stirred for 3 hours then quenched with a few drops of AcOH. The solvents were evaporated. Column chromatography (SiO2, 3-15% EtOAc/Hex) gave pure methyl 2-(thiophen-3-yl)acetate (E41).

References:

deLong, Mitchell A.;Sturdivant, Jill Marie;Royalty, Susan M. US2010/22585, 2010, A1 Location in patent:Page/Page column 13-14

METHYL THIOPHENE-3-ACETATE Related Search: