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Divergent Total Syntheses of Enmein‐Type Natural Products: (−)‐Enmein, (−)‐Isodocarpin, and (−)‐Sculponin R
Author(s) -
Pan Saiyong,
Chen Sicong,
Dong Guangbin
Publication year - 2018
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201803709
Subject(s) - construct (python library) , acylation , chemistry , total synthesis , ring (chemistry) , stereochemistry , natural (archaeology) , combinatorial chemistry , organic chemistry , computer science , biology , catalysis , programming language , paleontology
Divergent total syntheses of the enmein‐type natural products (−)‐enmein, (−)‐isodocarpin, and (−)‐sculponin R have been achieved in a concise fashion. Key features of the strategy include 1) an efficient early‐stage cage formation to control succeeding diastereoselectivity, 2) a one‐pot acylation/akylation/lactonization to construct the C‐ring and C8 quarternary center, 3) a reductive alkenylation approach to construct the enmain D/E rings and 4) a flexible route to allow divergent syntheses of three natural products.