Open AccessA New Synthesis of Lysergic Acid.
Author(s) -
Hendrickson James B.,
Wang Jian
Publication year - 2004
Publication title -
cheminform
Language(s) - English
Resource type - Journals
eISSN - 1522-2667
pISSN - 0931-7597
DOI - 10.1002/chin.200422208
Subject(s) - chemistry , chin , stereochemistry , combinatorics , mathematics , paleontology , biology
[reaction: see text] (+/-)-Lysergic acid has been synthesized via an economical 8-step route from 4-bromoindole and isocinchomeronic acid without the need to protect the indole during the synthesis. Initial efforts to form the simpler 3-acylindole derivatives first and then cyclize these were unsuccessful in the cyclization step.
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