4.8 Article

Conversion of 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacenes (F-BODIPYs) to Dipyrrins with a Microwave-Promoted Deprotection Strategy

Journal

ORGANIC LETTERS
Volume 12, Issue 7, Pages 1424-1427

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol902908j

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Funding

  1. Natural Sciences and Engineering Research Council of Canada

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4,4-Difluoro-4-bora-3a,4a-diaza-s-indacenes (F-BODIPYs) have been deprotected to give the corresponding free-base dipyrrins by heating a solution of the F-BODIPY In tert-butanol under 600 W of microwave irradiation in the presence of 6 equiv of potassium tert-butoxide for 40 min at 92 degrees C. Investigations of BODIPY modification at the meso position have also been undertaken and a meso-butyl product has been isolated.

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