Tetrahedron Letters p. 115 - 118 (1995)
Update date:2022-08-04
Topics: NMR spectroscopy Chiral Enantioselective Asymmetric Cyclization reaction Non-racemic Chirality determination Pummerer-type cyclization O-silylated ketene acetals Induced
Kita, Yasuyuki
Shibata, Norio
Kawano, Noriyuki
Tohjo, Takashi
Fujimori, Chino
Matsumoto, Keita
The first highly asymmetric Pummerer-type cyclization of chiral, non-racemic β-amidosulfoxides leading to enantiomerically enriched β-lactams (80-85% ee) is described. S- and R-sulfoxides (S-2a-d and R-2a-c) were treated with O-methyl-O-tert-butyldimethyl
View MoreContact:86 311 85902108 / 85902109
Address:room 1001-1005 ,huanghe Road ,shijiazhuang ,China
Beijing Mediking Biopharm Co., Ltd.
Contact:+86-10-89753524/81760121/81769521
Address:Hongxianghong Incubator, Beiqijia Town, Changping district, Beijing, China
Nanjing Vincero International Trading Co.,Ltd
Contact:8618936897229
Address:NO.68, ZhuShan Road, JiangNing WanDa Plaza, Building E Room 1703
Changsha Huajing Powdery Material Technological Co., Ltd.
Contact:86-731-88879686
Address:Building 2, West Garden, Main Campus of Central South University, Changsha, Hunan Province, China
FREEBARQUE DEVELOPMENT GROUP LIMITED
Contact:+86(0)10-5109 5335 or 5109 5345
Address:Room602,Block1-B,LINGDI OFFICE,NO.13 BEIYUAN ROAD
Doi:10.1016/j.tet.2009.05.088
(2009)Doi:10.1016/j.tet.2009.05.047
(2009)Doi:10.1016/j.bmcl.2009.05.038
(2009)Doi:10.1039/b906492c
(2009)Doi:10.1016/j.bmcl.2009.06.006
(2009)Doi:10.1007/s10593-009-0213-y
(2008)
