31. 從乙炔(ethyne)為起始物,合成正辛烷(n-octane)。下列合成步驟,何者是正確?
(A) i. NaNH2; ii. CH3(CH2)4CH2Br; iii. H2/Pd-C
(B) i. NaNH2; ii. CH3(CH2)3CH2Br; iii. H2/Pd-C
(C) i. NaOH; ii. CH3(CH2)4CH2Br; iii. H2/Pd-BaSO4
(D) i. NaOH; ii. CH3(CH2)3CH2Br; iii. H2/Pd-C
(A) i. NaNH2; ii. CH3(CH2)4CH2Br; iii. H2/Pd-C
(B) i. NaNH2; ii. CH3(CH2)3CH2Br; iii. H2/Pd-C
(C) i. NaOH; ii. CH3(CH2)4CH2Br; iii. H2/Pd-BaSO4
(D) i. NaOH; ii. CH3(CH2)3CH2Br; iii. H2/Pd-C
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統計: A(336), B(36), C(14), D(9), E(0) #841469
統計: A(336), B(36), C(14), D(9), E(0) #841469

