Monatshefte fur Chemie p. 899 - 908 (1980)
Update date:2022-09-26
Topics:
Capuano, Lilly
Bronder, Marott
Hell, Wolfgang
Moersdorf, Peter
Hoge, Reinhold
The reaction of diethyl bromomalonate (1) or diethyl diazomalonate (6) with benzoyl isothiocyanate (2) proceeds via the carbene intermediates 4,7 or 12 to afford the 1,3-dithiole 5, the Δ2-oxazoline 8 or the 1,3-oxathioles 9 depending upon the catalyst employed.In contrast, the bis(ethoxycarbonyl)methylpyridinium bromides 14 upon treatment with benzoyl isocyanates 15 in pyridine give rise to vinylene dipyridinium dibromides 18.- Keywords: Heterocyclizations; 1H-NMR-Spectroscopy; Iso(thio)cyanates; Malonates
View MoreSpringchem New Material Technology Co.,Limited
website:http://www.spring-chem.com
Contact:86-21-62885108
Address:602B, Building 1, No. 641, Tianshan Road
Contact:+86-27-85733560
Address:NO.308,QINGNIAN RD.,WUHAN,CHINA
Anyang Double Circle Auxiliary CO.,LTD
Contact:0086-134 6082 4403
Address:dongfeng road, anyang city, henan province,china
Linyi Shengxin Pharmaceutical R&D Co., Ltd
Contact:+86-18653953873
Address:West First of Yufeng Road, Yishui County
website:http://www.shengmaochem.com
Contact:86-27-82853423, 82819281
Address:Rm 202, A Unit Huaqiao Building No. 2, Lihuangpi Road, Wuhan, China
Doi:10.1111/cbdd.13678
(2020)Doi:10.1039/J19670001783
()Doi:10.1021/om3005146
(2012)Doi:10.1007/BF00504115
(1980)Doi:10.1007/BF02164671
(1956)Doi:10.1039/c3ra45289a
(2013)