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 MoreAnhui Xinyuan Technology Co.,Ltd
website:http://www.ahxytech.com/
Contact:0086-559-3515800
Address:Huangshan City of Anhui Province Huizhou Huizhou District Road, 21-9
HANGZHOU FOREWIN PHARMA CO., LTD
Contact:+86-571-89053961
Address:hangzhou
website:http://www.herbpurify.com
Contact:0086-028-85249238
Address:Room709-C1,Incubator Building, Tianfu Life Science Park No.88,Keyuan Road,Gaoxin district,Chengdu City,Sichuan Prov,China
Contact:+86-0311-84455288-844
Address:Mayu Industrial Park, Jinzhou, Hebei, China.
Taizhou volsen chemical Co., Ltd
website:http://www.volsenchem.com
Contact:+86-576-88869393
Address:Jiaojiang District, Taizhou, Zhejiang, 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)