Australian Journal of Chemistry p. 1571 - 1576 (1992)
Update date:2022-07-30
Topics:
Donkor, Augustine
Prager, Rolf H.
Thompson, Malcolm J.
Reaction of diethyl ethoxymethylenemalonate with sodium azide in trifluoroacetic acid at 20 deg gives ethyl 5-ethoxyisoxazole-4-carboxylate (67percent), diethyl cyanomalonate (21percent) and diethyl ethoxyaminomethylenmalonate (5percent).The last compound and its tautomer are converted into ethyl 1-ethoxy-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate.The product structures have been confirmed by synthesis or degradation.
View MoreWuhan Silworld Chemical Co.,Ltd
website:http://www.silworldchemical.com
Contact:+86-27-85613400
Address:No.198 jiangjun Road, Wuhan,China 430033
Jiangsu Feymer Technology Co., Ltd.
Contact:+86-512-58110132
Address:Fenghuang Town, Zhangjiagang City, Jiangsu Province, China
Contact:+86-519-86339586，13584329896
Address:Changzhou Scientific and Education Park
A.M FOOD CHEMICAL CO., LIMITED
Contact:86-531-87100375
Address:20Floor，Bblock，1Building，pharma-valley，Jinan，China
Nanjing distinctions Medical Technology Co., Ltd.(expird)
Contact:+86-15996203785 13914714059
Address:nanjing,jiangsu , China
Doi:10.1016/S0040-4039(00)60938-3
(1992)Doi:10.1039/c3tc30967c
(2013)Doi:10.1016/0040-4020(73)80173-5
(1973)Doi:10.1021/jo00053a049
(1993)Doi:10.1021/jo972168h
(1998)Doi:10.1016/S0040-4020(01)81194-7
(1992)
