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Organocatalytic Enantioselective One-pot Synthesis of Dihydrocoumarins via C-H Oxidation and Cyclization Cascade
- Kim, Kyeong Seop;
- Kim, Dae Young
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4초록
Chiral 3,4-dihydrocoumarin derivatives were obtained from 2-benzyl phenols and oxazolones in moderate to high yields with excellent enantioselectivitie (up to 96 % ee) through one-pot cascade via C-H oxidation and cyclization cascade using a binaphthyl-modified squaramide bifunctional organocatalyst under mild reaction conditions.
키워드
Organocatalysis; One-pot reaction; ortho-Quinone methides; Dihydrocoumarins; Oxazolones; ORTHO-QUINONE METHIDES; FRIEDEL-CRAFTS ALKYLATION; BETA-KETO ACIDS; ASYMMETRIC-SYNTHESIS; MULTICOMPONENT REACTIONS; DECARBOXYLATIVE ALKYLATION; CHIRAL DIHYDROCOUMARINS; CONJUGATE ADDITION; 4+2 CYCLOADDITION; MICHAEL ADDITION
- 제목
- Organocatalytic Enantioselective One-pot Synthesis of Dihydrocoumarins via C-H Oxidation and Cyclization Cascade
- 저자
- Kim, Kyeong Seop; Kim, Dae Young
- 발행일
- 2023-10
- 유형
- Article
- 권
- 12
- 호
- 10