, conrotatory rotation forces one methyl group up and one methyl group down. The resulting product is . 3. Asymmetric Induction and Enantioselective Catalysis
Around the chiral center, the phenyl group is Large ( ), the methyl group is Medium ( ), and the hydrogen atom is Small ( advanced organic chemistry practice problems
Common pitfalls
Mastering Molecular Transformations: Advanced Organic Chemistry Practice Problems and Strategies , conrotatory rotation forces one methyl group up