Capps, Nigel K.; Davies, Gareth M.; Loakes, David, Journal of the Chemical Society. Perkin transactions I, 1991, # 12, p. 3077 - 3086
作者:Capps, Nigel K.、Davies, Gareth M.、Loakes, David、McCabe, Richard W.、Young, Douglas W.
DOI:——
日期:——
An interesting dichotomy in the cyclisation of exocyclic enamines with protected dehydroamino acids leading to different β-turn templates
作者:Jane M. Berry、Paul M. Doyle、Douglas W. Young
DOI:10.1016/s0040-4039(02)02141-x
日期:2002.12
Two templates for the preparation of external beta-turns have been synthesised. In the course of the synthetic studies an interesting dichotomy was observed in the PCl3 catalysed reaction of exocyclic enamines such as 6 and 14 with protected dehydroamino acids. When amide protected dehydroamino acids were condensed with 6 and 14 the expected 6/6 and 6/5 fused bicyclic compounds such as 7 and 15 respectively were obtained, whereas when urethane protected dehydroamino acids were used, the 5/6 and 5/5 fused products 9 and 18 were obtained.(C) 2002 Elsevier Science Ltd. All rights reserved.
MCCABE R. W.; YOUNG D. W.; DAVIES G. M., J. CHEM. SOC. CHEM. COMMUN., 1981, NO 9, 395-396
作者:MCCABE R. W.、 YOUNG D. W.、 DAVIES G. M.
DOI:——
日期:——
Capps, Nigel K.; Davies, Gareth M.; Hitchcock, Peter B., Journal of the Chemical Society. Perkin transactions I, 1992, # 5, p. 621 - 626
作者:Capps, Nigel K.、Davies, Gareth M.、Hitchcock, Peter B.、Loakes, David、McCabe, Richard W.、Young, Douglas W.