Question

Predict the major products of the following reaction. Include stereochemistry where applicable.
trans@4,4@dimethylpent@2@ene + BH3 # THF, then O2, OHH2 (c) H O2, OH

Answer 1

B₂H₆ / THF / H₂O₂ / OH^- . Attached OH at alkene . Where carbon gave more number of Hydrogen and less substituted position .

So, product is 4,4 - Dimethylpentan- 2-Ol.