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!

ChemicalBook CAS DataBase List trans-Methyl crotonate
623-43-8

trans-Methyl crotonate synthesis

11synthesis methods
-

Yield:623-43-8 4%

Steps:

4 EXAMPLE 4

EXAMPLE 4 121 g (1 mole) of allyl bromide is reacted as described in Example 1 at 30°C with 5 ml of nickel carbonyl as catalyst over a period of 5-1/2 hours, the pH ranging from 10.5 to 11.9. The distillation of the reaction product yields 4 g of crotonic acid methyl ester (yield 4%) and 118.5 g of β-methoxybutyric acid methyl ester (yield 90%).

References:

US3980697,1976,A

trans-Methyl crotonate Related Search: