Question 1
Which of the given methods is not a common/useful way to make an organozinc reagent?
◦ organoborane + Zn
◦ alkyl halide + Zn in ether
◦ alkyl halide + Mg followed by ZnBr
2◦ organolithium +ZnBr
2Question 2
A synthesis of the taxadienone system involves the reaction shown (
Org. Process. Res. Dev. 2015,
19, 284). What is the product?
◦ I
◦ II
◦ III
◦ IV