天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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!

487034-01-5

3-(4-NITRO-PHENYL)-ISOXAZOLE-5-CARBOXYLIC ACID METHYL ESTER synthesis

3synthesis methods
-

Yield:487034-01-5 36%

Reaction Conditions:

Stage #1: Dimethyl oxalate;1-(4-nitrophenyl)ethan-1-onewith sodium methoxide in methanol; for 12 h;Heating;
Stage #2: with hydroxyamino hydrochloride;toluene-4-sulfonic acid in methanol; for 72 h;Heating;

References:

Srinivasan, Rajavel;Uttamchandani, Mahesh;Yao, Shao Q. [Organic Letters,2006,vol. 8,# 4,p. 713 - 716]

3-(4-NITRO-PHENYL)-ISOXAZOLE-5-CARBOXYLIC ACID METHYL ESTER Related Search: