Synthesis of benzofuroquinolizine for α-2 adrenoceptor antagonist MK-912: an O-analogue of the Pictet-Spengler reaction
作者:J Albaneze-Walker、K Rossen、R.A Reamer、R.P Volante、P.J Reider
DOI:10.1016/s0040-4039(99)00840-0
日期:1999.7
Efficient synthesis of benzofuroquinolizine ketone 1 was accomplished in four steps from ethyl 3-benzofuranacetate. The O-analogue of the Pictet-Spengler cyclization was used to form the benzofuroquinolizine ring structure as a key step. (C) 1999 Elsevier Science Ltd. All rights reserved.