期刊
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
卷 17, 期 -, 页码 2505-2510出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.17.167
关键词
2-alkylpyridines; allylic alkylation; aza-Cope rearrangement; catalyst-free; Morita-Baylis-Hillman carbonates
资金
- Sci-Tech Development Project of Jilin Province in China [20200801039GH]
- Chunhui Plan Cooperative Research Project of Ministry of Education of China
- Foundation of Jilin Educational Committee [JJKH20211225KJ, JJKH20211229KJ]
A base- and catalyst-free C(sp(3))-H allylic alkylation of 2-alkylpyridines with Morita-Baylis-Hillman (MBH) carbonates is described, involving a plausible mechanism of tandem S(N)2' type nucleophilic substitution followed by an azaCope rearrangement. Various alkyl substituents on 2-alkylpyridines were tolerated in the reaction to give the allylation products in 26-91% yields. The developed method provides a straightforward and operational simple strategy for the allylic functionalization of 2-alkypyridine derivatives.
A base- and catalyst-free C(sp(3))-H allylic alkylation of 2-alkylpyridines with Morita-Baylis-Hillman (MBH) carbonates is described. A plausible mechanism of the reaction might involve a tandem S(N)2' type nucleophilic substitution followed by an azaCope rearrangement. Various alkyl substituents on 2-alkylpyridines were tolerated in the reaction to give the allylation products in 26-91% yields. The developed method provides a straightforward and operational simple strategy for the allylic functionalization of 2-alkypyridine derivatives.
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