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  • Title: Conversion of 4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes (F-BODIPYs) to dipyrrins with a microwave-promoted deprotection strategy.
    Author: Crawford SM, Thompson A.
    Journal: Org Lett; 2010 Apr 02; 12(7):1424-7. PubMed ID: 20192207.
    Abstract:
    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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