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초록
A Pd-catalyzed [3 + 2] cycloaddition of N-sulfonyl cyclic ketimines and trimethylenemethanes (TMM) was developed that afforded N-fused pyrrolidines bearing a quaternary carbon. Under mild reaction conditions, structurally diverse N-sulfonyl cyclic imines, including sulfamate-fused aldimines, aryl- or styryl-substituted sulfamate-derived ketimines, and N-sulfonyl cyclic ketimines, were tolerated as reactants, affording N-fused pyrrolidines with high efficiency.
키워드
BAYLIS-HILLMAN CARBONATES; ENANTIOSELECTIVE SYNTHESIS; NITROGEN-HETEROCYCLES; ASYMMETRIC-SYNTHESIS; CONSTRUCTION; CYCLOPROPANES; 1-AZADIENES; KETONES; ANNULATION; STRATEGY
- 제목
- Pd-catalyzed [3+2] cycloaddition of cyclic ketimines and trimethylenemethanes toward N-fused pyrrolidines bearing a quaternary carbon
- 저자
- Choi, Seoung-Mi; Do Kim, Kyeong; Park, Jong-Un; Xuan, Zi; Kim, Ju Hyun
- 발행일
- 2021-12-22
- 유형
- Article
- 저널명
- RSC Advances
- 권
- 12
- 호
- 2
- 페이지
- 785 ~ 789