Tricarbonylchromium(0) promoted stereoselective cyclisations of the N-3,4-dimethoxyphenethyl derivatives of the 1-phenyl ethanolamines halostachine, ephedrine and pseudoephedrine to 1-phenyl-N-methyl-7,8-dimethoxy-1,2,4,5-tetrahydrobenzazepines
作者:Steven J. Coote、Stephen G. Davies、David Middlemiss、Alan Naylor
DOI:10.1016/s0957-4166(00)82268-5
日期:1990.1
COOTE, STEVEN J.;DAVIES, STEPHEN G.;MIDDLEMISS, DAVID;NAYLOR, ALAN, TETRAHEDRON LETT., 30,(1989) N7, C. 3581-3584
作者:COOTE, STEVEN J.、DAVIES, STEPHEN G.、MIDDLEMISS, DAVID、NAYLOR, ALAN
DOI:——
日期:——
Enantiospecific synthesis of (+)-(R)-1-phenyl-3-methyl-1,2,4,5-tetrahydrobenz[d]azepine from (+)-(S)-N-methyl-1-phenyl ethanolamine (halostachine) via arene chromium tricarbonyl methodology
作者:Steven J. Coote、Stephen G. Davies、David Middlemiss、Alan Naylor
DOI:10.1016/s0040-4039(00)99447-4
日期:1989.1
Acid promoted cyclisation of homochiral (R)-N-(3,4-dimethoxyphenethyl) halostachine chromium tricarbonyl is stereospecific, proceeding with retention of configuration, to afford, after decomplexation, homochiral (+)-(R)-1-phenyl-3-methyl-1,2,4,5-tetrahydrobenz[d]azepine.