Conjugate addition

VITEEE 2015 Discussion Forum › Organic Chemistry questions › Conjugate addition

#Chemistry #Organic Chemistry

UP 0 DOWN 0 0 9
Post on FacebookPost anonymously?

9 Answers

62

Lokesh Verma ·2009-03-09 08:03:54

I am not sure.. but I think C

because First Cu will attack the electron rich center..

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

pavanmalhra ·2009-03-09 08:05:45

i think its A

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Vivek ·2009-03-09 08:10:45

i also thought it would be C but answer is A,

@pavan - can you explain why "cis"?

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

pavanmalhra ·2009-03-09 08:13:45

it is followin corey- house synthesis

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Vivek ·2009-03-09 08:22:05

yeah ok but isn't conjugate addition thru S_N1? or is it S_N2?

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

pavanmalhra ·2009-03-09 08:23:33

yes true but dont u think since Cu attacks it leads to retention

UP 0 DOWN 0
Post on FacebookPost anonymously?

3

msp ·2009-03-09 08:24:55

but it is not a direct corey house reaction beos there is no alkyl halide is present.hey guys pls post ur mechanism

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

pavanmalhra ·2009-03-09 08:25:58

yaa i thought so but got confused

UP 0 DOWN 0
Post on FacebookPost anonymously?

19

Debotosh.. ·2009-08-19 22:04:00

the theme of the reaction is the 1,4 conjugation between the double bond and the carbonyl group !! the answer should have been :

UP 0 DOWN 0
Post on FacebookPost anonymously?

Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω