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Organocatalytic Asymmetric Michael Addition of Ketones to alpha,beta-Unsaturated Nitro Compounds
- Shim, Jae Ho;
- Nam, Si Hun;
- Kim, Byeong-Seon;
- Ha, Deok-Chan
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12초록
An organic catalyst "(R,R)-1,2-diphenylethylenediamine(DPEN) derivative'' was devel-oped as a chiral bifunctional organocatalyst and applied for asymmetric Michael additions of aromatic ketones totrans-beta-nitroalkene compounds under neutral conditions. The isopropyl-subs-tituted thiourea catalyst in neutral condition provides high chemical yield and enantioselectivities (ee) (up to 96% yield, 98% ee).
키워드
organocatalyst; enantioselectivity; yield; thiourea catalyst; asymmetric; CONJUGATE ADDITION; AROMATIC KETONES; CATALYSTS; ENANTIOMERS; AMINES; DONORS
- 제목
- Organocatalytic Asymmetric Michael Addition of Ketones to alpha,beta-Unsaturated Nitro Compounds
- 저자
- Shim, Jae Ho; Nam, Si Hun; Kim, Byeong-Seon; Ha, Deok-Chan
- 발행일
- 2020-06
- 유형
- Article
- 저널명
- Catalysts
- 권
- 10
- 호
- 6