Please give detailed mechanism, thank you!
Mg, ether
1-bromobutane | KOH, H2O
1CH(CH3)CH2CH2CH2OH (E) (2) H2O* H2SO4, heat
(D)
(A) INa (B) CH3CH2Br
(F)
(10 2) CH3CH2CH2CH2CHO + CH3(CH2)3CHO
(G)
(C)
fused KOH
(H) mixture
1NaNH2 150C (2) H2O
=O 1) CH3C-CH2CH2CH2 2H2O+
NaNH2
(1) Siac2BH 1-nonyne 2H2ONaOH 2 HBr A (L)
(1)
(K)
(J)