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 4-(4-Chlorophenyl)-2-pyrrolidinone
22518-27-0

4-(4-Chlorophenyl)-2-pyrrolidinone synthesis

7synthesis methods
-

Yield: 90%

Reaction Conditions:

with aluminum oxide in toluene for 16 h;Heating / reflux;

Steps:

1.40.A
To a solution of 4-amino-3-(4-chlorophenyl)-butanoic acid (baclofen) (1.0 g, 4.7 mmol) in toluene (80 mL) was added neutral alumina (1.4 g, 14 mmol). The mixture was heated to reflux for 16 h, then cooled to room temperature and filtered. The filtrate was evaporated to give the title compound as a white solid (0.82 g, 90%). Exact mass calculated for CioH10ClNO: 195.1, found: LCMS m/z = 196.1 [M+H]+.

References:

Location in patent:Page/Page column 77

4-(4-Chlorophenyl)-2-pyrrolidinone Related Search: