期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 17, 期 10, 页码 2784-2791出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ob00328b
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资金
- University Sorbonne Universite
- CNRS
- China Scholarship Council (CSC)
We report the first use of renewable, bio-based, non-hazardous feedstock methyl coumalate (MC) in organocatalyzed Morita-Baylis-Hillman (MBH) reactions. This atom-economical pathway employs inexpensive Et3N as a catalyst in ethanol. Synthon MC efficiently constructs C-C bonds with various imines and aldehydes in moderate to good yields. This catalytic process is triggered via an unprecedented 1,6-conjugated addition, as opposed to the classical MBH reaction. Moreover, this methodology expands Morita-Baylis-Hillman donor capabilities to a 2-pyrone derivative for the first time. MBH adducts described herein could be applied to the synthesis of fine chemicals with biologically active structural cores, such as diphenylmethanol, hydroisobenzofurans, and hydroisoindoles.
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