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Diastereoselective Allene Synthesisa
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Under each product, the percent yield and diastereomeric ratio (anti:syn) are given. Yields are isolated yields (0.4 mmol scale).
The d.r. was determined by 1H NMR spectroscopic analysis of the unpurified reaction mixture. Abbreviations: n-Bu, n-butyl; Ph, phenyl. See the Supporting Information for experimental details and stereochemical proofs.
