Al(OTf)3-Mediated Epoxide Ring-Opening Reactions: Toward Piperazine-Derived Physiologically Active Products
摘要:
Al(OTf)(3) is a good catalyst for the ring opening of epoxides, forming beta-amino alcohols bearing the piperazine motif. Two different strategies were examined, where the glycidyl ether resided on one-half of the molecule or the other, allowing insight into a best-case approach for the ring-opening step. Each half of the molecule contained an heteroatom that could be used either to attach the glycidyl moiety or as the nucleophile in the ring-opening reaction, for the same set of reagents, allowing this approach.
Al(OTf)3-Mediated Epoxide Ring-Opening Reactions: Toward Piperazine-Derived Physiologically Active Products
摘要:
Al(OTf)(3) is a good catalyst for the ring opening of epoxides, forming beta-amino alcohols bearing the piperazine motif. Two different strategies were examined, where the glycidyl ether resided on one-half of the molecule or the other, allowing insight into a best-case approach for the ring-opening step. Each half of the molecule contained an heteroatom that could be used either to attach the glycidyl moiety or as the nucleophile in the ring-opening reaction, for the same set of reagents, allowing this approach.
Al(OTf)<sub>3</sub>-Mediated Epoxide Ring-Opening Reactions: Toward Piperazine-Derived Physiologically Active Products
作者:D. Bradley G. Williams、Adam Cullen
DOI:10.1021/jo9020437
日期:2009.12.18
Al(OTf)(3) is a good catalyst for the ring opening of epoxides, forming beta-amino alcohols bearing the piperazine motif. Two different strategies were examined, where the glycidyl ether resided on one-half of the molecule or the other, allowing insight into a best-case approach for the ring-opening step. Each half of the molecule contained an heteroatom that could be used either to attach the glycidyl moiety or as the nucleophile in the ring-opening reaction, for the same set of reagents, allowing this approach.