Novel Products from Bischler-Napieralski Reaction of Arylacetyl-Tryptophan Esters. Synthesis of Spiropentacyclic Indolines Structurally Related to Indole Alkaloids
作者:K. M. Biswas、R. N. Dhara、S. Halder、H. Mallik、A. Sinha-Chaudhuri、P. De、A. S. Brahmachari
DOI:10.1080/00397919308009792
日期:1993.2
Abstract On treatment with TFAA N-arylacetyl–DL–tryptophan esters 7 furnish N–trifluoroacetyl spiropentacyclic indolines 8 in 81–91% yields and, in some cases, small amounts (3–5%) of β-car-bolines 9.
摘要在用 TFAA N-芳基乙酰基-DL-色氨酸酯 7 处理时,N-三氟乙酰基螺环五环二氢吲哚 8 的产率为 81-91%,在某些情况下,还提供少量 (3-5%) β-咔啉 9。