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Creating quaternary centers with high exo stereoselectivity using activated alpha-alkynyl dienophiles
- Min, Sun-Joon;
- Jones, Gavin O.;
- Houk, Kendall N.;
- Danishefsky, Samuel J.
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19초록
Ethynyl substituents were used to direct a highly exoselective creation of quaternary carbon centers in Diels-Alder cycloaddition reactions involving activated alpha-alkynyl dienophiles. The origins of electronic activation and the high stereoselectivities of these reactions were investigated by the B3LYP density functional method.
키워드
DIELS-ALDER REACTIONS; SECONDARY ORBITAL INTERACTIONS; VIBRATIONAL ABSORPTION; STEREOGENIC CENTERS; PAECILOMYCINE-A; ACIDITY TRENDS; DENSITY; STEREOCENTERS
- 제목
- Creating quaternary centers with high exo stereoselectivity using activated alpha-alkynyl dienophiles
- 저자
- Min, Sun-Joon; Jones, Gavin O.; Houk, Kendall N.; Danishefsky, Samuel J.
- 발행일
- 2007-08
- 유형
- Article
- 권
- 129
- 호
- 33
- 페이지
- 10078 ~ 10079
- 언어
- ENG
- 출판사
- AMER CHEMICAL SOC
- 분량
- 2 페이지
- ISSN
- P 0002-7863