期刊
SYNTHETIC COMMUNICATIONS
卷 39, 期 4, 页码 613-625出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397910802417825
关键词
1; 3-Dione; hetero-Diels-Alder reaction; microwave; pyrano xanthene
The intramolecular hetero-Diels-Alder reactions of 2-(cyclohex-2-enyloxy)benzaldehyde by Knoevenagel condensation with symmetrical 1,3-diones under three different conditions afforded the pyrano[2,3,4-kl]xanthene derivatives in a stereoselective manner in good yield. The structure of one of the products was unambiguously established by x-ray analysis.
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