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학술지 Synthesis of β-Ketonitriles, α,β-Alkynones and Biscabinols from Esters Using Tert-Butoxide-Assisted C(=O)-C (i.e., acyl-C) Coupling under Ambient Conditions
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저자
김보람, 이형근, 강성범, 정광주, 성기현, 김점종, 이상경, 윤용진
발행일
201312
출처
Tetrahedron, v.69 no.48, pp.10331-10336
ISSN
0040-4020
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.tet.2013.10.007
협약과제
13ZC1200, 그린IT 융.복합 기술개발, 이수인
초록
We demonstrated the synthesis of 棺-ketonitriles, 慣,棺- alkynones, and biscarbinols using tert-butoxide-assisted C(CO)-C (i.e., acyl-C) coupling of esters under ambient conditions. tert-Butoxide-assisted C(CO)-C (i.e., acyl-C) coupling of esters with cyanomethylenes and acetylenes under transition metal-free ambient conditions gives 棺-ketonitriles, 慣,棺-alkynones and/or aryl bis(phenylethynyl)carbinols in moderate-to-good yields. It is noteworthy that this is a rapid, facile, and efficient process under ambient conditions, and use of cheap and stable starting materials. © 2013 Elsevier Ltd. All rights reserved.
키워드
慣,棺-Alkynylketone, 棺-Ketonitriles, Aryl bis(phenylethynyl)carbinols, C(O)-C coupling, tert-Butoxide-assisted reaction
KSP 제안 키워드
C coupling, Metal-free, Transition metal, ambient conditions, tert-butoxide(Niobium penta)