Highly Diastereoselective Reaction of Chiral o-(2-(1,3-Oxazolidinyl))benzaldehydes with Alkylmetallic Reagents: Synthesis of Chiral 3-Substituted Phthalides.
Highly diastereoselective reaction of chiral o-[2-(1, 3-Oxazolidinyl)]benzaldehydes (4-6) with alkylmetallic reagents provides a new synthetic method for chiral 3-alkylphthalides.