Q66 · CSIR-NET Chemistry, June 2015
Paper: CSIR-NET June 2015 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Marks: 2 · Difficulty: Easy
Match column A (coupling reactions) with column B (reagents) | Column-A | | Column-B | |
|---|
| (1) | Suzuki coupling | (I) | $mathrm{H_2C=CHCO,CH}$ |
| (2) | Heck coupling | (II) | RB(OH), |
| (3) | Sonagashira coupling | (III) | PhCO(CH) ZnI |
| (4) | Negeshi coupling | (IV) | CHECR |
| | (V) | SnR |
(a)I-II, 2-1, 3-IV, 4-III
(b)1-1, 2-V. 3-III, 4-IV
(c)1-IV, 2-III, 3-11, 4-1
(d)1-11.2-111, 3-IV,4-V
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Suzuki uses RB(OH)₂, Heck an acrylate, Sonogashira a terminal alkyne and Negishi an organozinc. 1-II, 2-I, 3-IV, 4-III (a).
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