A contribution to the confusion surrounding the reaction of ketenes with imines to produce .beta.-lactams. A comparison of stereoselectivity dependence on the method of ketene generation: acid chloride/triethylamine vs photolysis of chromium carbene complexes

1991 ◽  
Vol 113 (15) ◽  
pp. 5784-5791 ◽  
Author(s):  
Louis S. Hegedus ◽  
John Montgomery ◽  
Yukitoshi Narukawa ◽  
Daniel C. Snustad
Keyword(s):  
Acid Chloride ◽  
Beta Lactams ◽  
Carbene Complexes ◽  
Chromium Carbene

Synthesis of optically active .beta.-lactams by the photolytic reaction of imines with optically active chromium carbene complexes

1990 ◽  
Vol 112 (3) ◽  
pp. 1109-1117 ◽  
Author(s):  
Louis S. Hegedus ◽  
Rene Imwinkelried ◽  
Marie Alarid-Sargent ◽  
Dalimil Dvorak ◽  
Yoshitaka Satoh
Keyword(s):  
Optically Active ◽  
Beta Lactams ◽  
Carbene Complexes ◽  
Photolytic Reaction ◽  
Chromium Carbene

Reaction of chromium carbene complexes with imines. Synthesis of .beta.-lactams

1984 ◽  
Vol 106 (9) ◽  
pp. 2680-2687 ◽  
Author(s):  
Louis S. Hegedus ◽  
Michael A. McGuire ◽  
Lisa M. Schultze ◽  
Yijun Chen ◽  
Oren P. Anderson
Keyword(s):  
Beta Lactams ◽  
Carbene Complexes ◽  
Chromium Carbene

Synthesis of indolocarbazoles via annulations of chromium carbene complexes

1997 ◽  
Vol 38 (39) ◽  
pp. 6787-6790 ◽  
Author(s):  
Craig A. Merlic ◽  
Daniel M. McInnes ◽  
Ying You
Keyword(s):  
Carbene Complexes ◽  
Chromium Carbene
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