Journal of the Chemical Society. Perkin transactions I p. 1884 - 1887 (1981)
Update date:2022-08-03
Topics:
Kametani, Tetsuji
Honda, Toshio
Sasaki, Junko
Terasawa, Hirofumi
Fukumoto, Keiichiro
Upon treatment with various organolithiums, 4-acetoxyazetidin-2-one(10) afforded the corresponding carbon-displaced compounds (11),(12), and (13). 4-(3-diazo-3-ethoxycarbonyl-2-oxopropyl)azetidin-2-one (15) was also synthesised from (10) and ethyl α-diazoacetoacetate in the presence of lithium hexamethyldisilazide in one step.The diazo-compound (15) was thermally cyclised to the bicyclic keto-ester (17) in the presence of rhodium acetate.
View MoreSuZhou Hua-Emy Chemical Import and Export Co., LTD.
Contact:+86-512-88804994; +86-512-88804550;
Address:710, Building B, International Trade Center, 12 Huanghelu, Changshu, Jiangsu,China
Beijing Greenchem Technology Co.,Ltd. ( Panjin Greenchem Technology Co.Ltd .)
website:http://www.bjgreenchem.com/
Contact:+86-427-6515887
Address:301,302, 3rd Floor, Building C-7, Dongsheng Science Park, Northern Territory, Zhongguancun, No. 66, Xixiaokou Road, Haidian District, Beijing
website:http://www.vanzpharm.com/en/index.html
Contact:86-27-84492310
Address:FANHU INDUSTRY PARK
Reliable Pharma Technology (Shanghai) Co., Ltd.
Contact:0086-21-67676847-8008
Address:Lane 1500, No.68, Xinfei Road, Songjiang District, Shanghai, 201611, P.R.China.
SHANDONG AONA CHEMICAL CO.,LTD.
Contact:86-532-85762926
Address:LIUYUAN TOWN, ZAOZHUANG CITY, SHANGDONG PROVINCE.
Doi:10.1021/je00026a024
(1981)Doi:10.1021/jo00336a001
(1981)Doi:10.1021/ja039863t
(2004)Doi:10.1002/jhet.446
(2010)Doi:10.1021/acs.orglett.9b03791
(2019)Doi:10.1002/adsc.201700671
(2017)
