License: Creative Commons Attribution 4.0 PDF - Published Version (4MB) |
- URN to cite this document:
- urn:nbn:de:bvb:355-epub-590381
- DOI to cite this document:
- 10.5283/epub.59038
This publication is part of the DEAL contract with Wiley.
Abstract
Fused bicyclic cyclopropanes were converted by Lewis acid-catalysis with thioureas to furo-, pyrano, and pyrrololactams with yields of up to 99 % and high diastereoselectivity. The formation of the title compounds, representing a formal [4+1]-cycloaddition to a donor-acceptor substituted cyclopropane, follows a cascade reaction involving SN1-type ring-opening addition and cyclization. Thiourea, ...
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