Conjugate addition-elimination in the reaction of .beta.-1-alkynyl-9-borabicyclo[3.3.1]nonanes with 4-methoxy-3-buten-2-one and related derivatives. A convenient new route to conjugated enynones
Conjugate addition-elimination in the reaction of .beta.-1-alkynyl-9-borabicyclo[3.3.1]nonanes with 4-methoxy-3-buten-2-one and related derivatives. A convenient new route to conjugated enynones