Journal
CHEMICAL COMMUNICATIONS
Volume 54, Issue 96, Pages 13555-13558Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc08158a
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A new sulfur-enriched tricyclic 1,4-diphosphinine (2) was synthesized and novel reactivity studies on the phosphorus heterocycle were performed: a weak anionic nucleophile (KHMDS) adds selectively thus forming a stable anionic 1,4-diphosphinine derivative (3b) which was fully characterized. The substitution potential of 3b was demonstrated using Ph2PCl to give 4b, while oxidation of 3b using elemental iodine furnished cleanly the P-P coupling product 5.
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