Michael Addition

CH2(COOC2H5)2 + CH2=CHCOCH3 → product

개요

A Michael donor (stabilized carbanion) adds to the beta-carbon of a Michael acceptor (alpha,beta-unsaturated carbonyl). This 1,4-conjugate addition forms a new carbon-carbon bond and is complementary to 1,2-addition. The Michael reaction is one of the most versatile C-C bond forming reactions.

일상 속 예시

The Robinson annulation, combining Michael addition with aldol condensation, is used to build steroid ring systems in drug synthesis.

산업적 중요성

의약품, 천연물, 고분자 합성에서 탄소 골격 구축에 핵심적으로 사용됩니다. 비대칭 마이클 첨가를 통한 광학 활성 화합물 합성이 불균일 촉매 분야에서 활발히 연구되고 있습니다.

성질

유형
Organic
가역 반응
예
에너지
발열
ΔH
-25.0 kJ/mol
촉매
Base (e.g., NaOEt)

관련 반응

Epoxidation of Alkenes (mCPBA) Swern Oxidation Oxidation of Secondary Alcohol to Ketone E2 Elimination (Dehydrohalogenation) Claisen Condensation (Ethyl Acetate) Aldol Condensation of Acetaldehyde Kolbe Electrolysis Baeyer-Villiger Oxidation Beckmann Rearrangement (Cyclohexanone Oxime) Dehydration of Ethanol

Frequently Asked Questions

What is the equation for Michael Addition?
The balanced equation is: CH₂(COOC₂H₅)₂ + CH₂=CHCOCH₃ → product.
What type of reaction is Michael Addition?
Michael Addition is a organic reaction. It is reversible under certain conditions.
Is Michael Addition exothermic or endothermic?
Michael Addition is exothermic (releases energy). The enthalpy change (ΔH) is -25.0 kJ/mol.
What conditions are needed for Michael Addition?
This reaction requires a catalyst (Base (e.g., NaOEt)).