Stereocontrolled Formation of a [4.4]Heterospiro Ring System with Unexpected Inversion of Configuration at the Spirocenter

Zhiqiang Ma, Lin You, Chuo Chen

Research output: Contribution to journalArticle

Abstract

Stereoselective construction of the 1,3-diazaspiro[4.4]nonane core skeleton of massadine and related dimeric pyrrole-imidazole alkaloids is a synthetic challenge. We describe herein the synthesis of all C13/14 diastereomers of this spiro molecule through controlled oxidation and epimerization of the C13 spirocenter under mild acidic conditions.

Original languageEnglish (US)
Pages (from-to)731-736
Number of pages6
JournalJournal of Organic Chemistry
Volume82
Issue number1
DOIs
StatePublished - Jan 6 2017

ASJC Scopus subject areas

  • Organic Chemistry

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