alpha -Aminocyclopentenones are available in a single operation from alpha,beta -unsaturated nitriles and (methoxy)-methoxyallenes. The cyclization is equivalent to an imino Nazarov reaction. (C) 2001 Elsevier Science Ltd. All rights reserved.
Application of a new combination of palladium and CaCO3 for an aerobic Heck reaction using arenediazonium-salts
摘要:
Efficient Heck reactions under aerobic conditions were carried out using Pd-catalyst in the presence of CaCO3. Under these conditions a neat Heck Reaction using arenediazonium salts bearing functional groups including nitro functionalities can generally take place in good yields up to 95%. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.
Application of a new combination of palladium and CaCO3 for an aerobic Heck reaction using arenediazonium-salts
作者:Heiko Brunner、Nathalie Le Cousturier de Courcy、Jean-Pierre Genêt
DOI:10.1016/s0040-4039(99)00921-1
日期:1999.6
Efficient Heck reactions under aerobic conditions were carried out using Pd-catalyst in the presence of CaCO3. Under these conditions a neat Heck Reaction using arenediazonium salts bearing functional groups including nitro functionalities can generally take place in good yields up to 95%. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.
An imino Nazarov cyclization
作者:Marcus A Tius、Chester C Chu、Raquel Nieves-Colberg
DOI:10.1016/s0040-4039(01)00201-5
日期:2001.3
alpha -Aminocyclopentenones are available in a single operation from alpha,beta -unsaturated nitriles and (methoxy)-methoxyallenes. The cyclization is equivalent to an imino Nazarov reaction. (C) 2001 Elsevier Science Ltd. All rights reserved.