期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 10, 期 14, 页码 2742-2752出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ob06991a
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资金
- CSIR, New Delhi
The synthesis of stilbenoids and styryl carboxylic acids is accomplished with high E-stereoselectivity by olefination of aldehydes with thiophthalides under basic conditions. The olefination is highly atom-efficient as it only loses elemental sulfur during the reaction. This olefination, in conjunction with retro Kolbe-Schmitt reaction, allows facile synthesis of E-hydroxystilbenoids with minimal employment of protecting groups. This study also discloses two important findings: formation of i) 4-methylsulfanyl isocoumarins and ii) an 2-arylindenone.
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