Capture-Collapse Heterocyclization: 1,3-Diazepanes by C-N Reductive Elimination from Rhodacyclopentanones.
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ABSTRACT: Rhodacyclopentanones derived from carbonylative C-C activation of cyclopropyl ureas can be "captured" by pendant nucleophiles prior to "collapse" to 1,3-diazepanes. The choice of N-substituent on the cyclopropane unit controls the oxidation level of the product, such that C4-C5 unsaturated or saturated systems can be accessed selectively.
SUBMITTER: McCreanor NG
PROVIDER: S-EPMC5025829 | biostudies-literature |
REPOSITORIES: biostudies-literature
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