The direct magnesiation of highly functionalized aromatics bearing an ester, a nitrile, or a ketone can be readily performed by using an OBoc as a directing group and TMPMgCl·LiCl as a base. It allows, for example, the preparation of a meta-magnesiated benzophenone in >95%. After quenching, highly functionalized and substituted benzenes are obtained.
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Organic Chemistry