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 Cyclopropanecarboxaldehyde
1489-69-6

Cyclopropanecarboxaldehyde synthesis

9synthesis methods
Cyclopropanecarboxaldehyde is prepared by reaction of cyclopropylmethanol. The reaction needs reagent pyridinium chlorochromate and solvent CH2Cl2 with other condition of ambient temperature for 3 hours. The yield is about 60%.
-

Yield:1489-69-6 91.2%

Steps:

3 Isomerization of DHF to CPCA

After an additional distillation for recovery of remaining DHF, crude CPCA was obtained which analyzed as follows: 91.2% CPCA, 5.7% crotonaldehyde, and 0.5% tetrahydrofuran.

References:

US4275238,1981,A

Cyclopropanecarboxaldehyde Related Search: