Tetrahedron Letters p. 6249 - 6252 (1988)
Update date:2022-08-03
Topics:
Tuloup, R.
Danion-Bougot, R.
Danion, D.
Pradere, J.P.
Benzeneseleninic anhydride allows oxidative ring opening of 2-pyrazolines to α,β-unsaturated carbonyl compounds.Thus, a pyrazoline ring may be used as a masking, a stereodirecting and a latent formyl group in the synthesis of 7-amino 4-formyl cephem from 1,3-6H-thiazine.
View MoreNaturalin Bio-Resource Co., Ltd
website:http://www.naturalin.com
Contact:+86-0731-84430651
Address:B1-402, Lu-Valley Enterprise Square.No.27 Wenxuan Road. Lu-Valley Hi-Tech District.
Shijiazhuang Frontierchem Co., Ltd.
Contact:+86-311-89271196
Address:4-4-202 No.15 Biandian Street,Shijiazhuang
Contact:86-607-68073220
Address:1 ave na road jiahua st
Taizhou volsen chemical Co., Ltd
website:http://www.volsenchem.com
Contact:+86-576-88869393
Address:Jiaojiang District, Taizhou, Zhejiang, China.
Shijiazhuang Yunxuan Im&Export Co.,Ltd.
Contact:+86-311-83037514
Address:No.6 Hongbin Road
Doi:10.1021/jm100319h
(2010)Doi:10.1007/BF00809931
(1987)Doi:10.1016/j.tet.2008.11.105
(2009)Doi:10.1021/ma901943j
(2010)Doi:10.1016/0022-328X(91)83143-R
(1991)Doi:10.1039/c39870001219
(1987)
