Q61 · CSIR-NET Chemistry, June 2015
Paper: CSIR-NET June 2015 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Oxidative Addition Reductive Elimination · Marks: 2 · Difficulty: Easy
The $\beta$-hydrogen elimination will be facile in
(a)
(b)
(c)
(d)
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
β-H elimination needs an sp³ β-C–H that can rotate syn-coplanar with M–C and a vacant cis site; the simple ethyl complex (a) has this. Vinyl, allyl-type and alkynyl β-H are geometrically or energetically disfavoured.
Study loop for Organometallic Compounds