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 (2-Bromo-5-methyl-phenyl)-carbamic acid tert-butyl ester
1186637-29-5

(2-Bromo-5-methyl-phenyl)-carbamic acid tert-butyl ester synthesis

1synthesis methods
24424-99-5 Synthesis
Di-tert-butyl dicarbonate

24424-99-5
833 suppliers
$13.50/25G

53078-85-6 Synthesis
2-Bromo-5-methylbenzenamine

53078-85-6
193 suppliers
$6.00/1g

-

Yield:1186637-29-5 98%

Reaction Conditions:

Stage #1: 2-bromo-5-methylanilinewith sodium hydride in tetrahydrofuran; for 1 h;Reflux;Inert atmosphere;
Stage #2: di-tert-butyl dicarbonate in tetrahydrofuran at 20; for 0.5 h;Inert atmosphere;
Stage #3: with sodium hydride in tetrahydrofuran;Inert atmosphere;Reflux;

References:

Yamaoka, Yousuke;Yoshida, Takahiro;Shinozaki, Makiko;Yamada, Ken-Ichi;Takasu, Kiyosei [Journal of Organic Chemistry,2015,vol. 80,# 2,p. 957 - 964]

(2-Bromo-5-methyl-phenyl)-carbamic acid tert-butyl ester Related Search: