One-pot synthesis of pyridines from 3-aza-1,5-enynes
摘要:
Efficient one-pot transformation of 3-aza-1,5-enynes to poly-substituted pyridines in good to excellent yields has been developed. This reaction involved cyclization of 3-aza-enynes and elimination of sulfinyl acids steps. (C) 2013 Elsevier Ltd. All rights reserved.
One-pot synthesis of pyridines from 3-aza-1,5-enynes
摘要:
Efficient one-pot transformation of 3-aza-1,5-enynes to poly-substituted pyridines in good to excellent yields has been developed. This reaction involved cyclization of 3-aza-enynes and elimination of sulfinyl acids steps. (C) 2013 Elsevier Ltd. All rights reserved.
Cyclization and <i>N</i>-Iodosuccinimide-Induced Electrophilic Iodocyclization of 3-Aza-1,5-enynes To Synthesize 1,2-Dihydropyridines and 3-Iodo-1,2-dihydropyridines
作者:Xiaoyi Xin、Dongping Wang、Fan Wu、Xincheng Li、Boshun Wan
DOI:10.1021/jo400387b
日期:2013.4.19
Metal-free cyclization and N-iodosuccinimide-induced electrophilic iodocyclization of readily available 3-aza-1,5-enynes have been developed. The reactions selectively give 1,2-dihydropyridines and 3-iodo-1,2-dihydropyridines involving an aza-Claisen rearrangement and a 6p-electrocyclization step. Furthermore, the reaction could be carried out in 10 g scale for the synthesis of 1,2-dihydropyridines.
One-pot synthesis of pyridines from 3-aza-1,5-enynes
作者:Xiaoyi Xin、Dongping Wang、Xincheng Li、Boshun Wan
DOI:10.1016/j.tet.2013.10.038
日期:2013.12
Efficient one-pot transformation of 3-aza-1,5-enynes to poly-substituted pyridines in good to excellent yields has been developed. This reaction involved cyclization of 3-aza-enynes and elimination of sulfinyl acids steps. (C) 2013 Elsevier Ltd. All rights reserved.