Stereochemistry of base-induced cleavage of methoxide ion on cis-and trans-1, 4-diphenylphosphorinanium salts. A different behavior with a phenyl substituent
…, A Medina-Arreguin, E Hernández-Fernández…
Index: Lopez-Cortina, Susana; Medina-Arreguin, Araceli; Hernandez-Fernandez, Eugenio; Berns, Sylvain; Guerrero-Alvarez, Jorge; Ordonez, Mario; Fernandez-Zertuche, Mario Tetrahedron, 2010 , vol. 66, # 32 p. 6188 - 6194
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Abstract
The synthesis and characterization of pure cis-and trans-1, 4-diphenyl-1-methoxy- phosphorinanium tetrafluoroborate salts 11a and 11b, molecules designed to evaluate the effect of a phenyl substituent at C-4 on the stereochemical course of base-induced nucleophilic displacement of the methoxy group at phosphorus, was accomplished. The presence of a phenyl substituent at C-4 changes the stereochemical course of these ...
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