4.3 Article

Microwave-assisted intramolecular palladium-mediated cyclizations of o-iodobenzophenones for methoxy fluoren-9-ones

期刊

SYNTHETIC COMMUNICATIONS
卷 52, 期 13-14, 页码 1490-1499

出版社

TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2022.2095210

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C-C bond formation; fluoren-9-ones; halobenzophenones; hipposudoric acid; microwave; palladium arylations

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Microwave irradiation is an effective tool for organic reactions, allowing for shorter reaction times and higher yields. In this study, substituted 2-iodobenzophenones were transformed into substituted fluoren-9-ones with yields of 56-92% using microwave irradiation.
Microwave (MW) irradiation is an effective tool in organic reactions that required long reaction times under thermal conditions. Herein substituted 2-iodobenzophenones were transformed into substituted fluoren-9-ones via cesium carbonate and bis(triphenylphosphine) palladium(II) chloride with 56-92% yields within 30-45 min under microwave irradiations. A remarkable decrease in the reaction time with high yield products was observed. The isolated products have been emphasize on the basis of (H-1/(CNMR)-C-13) and correlations spectra.

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