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Synlett 1993; 1993(10): 751-752
DOI: 10.1055/s-1993-22595
DOI: 10.1055/s-1993-22595
letter
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The Efficient Preparation Of Isomeric (1,3-Dioxanyl/1,3-Dioxolanyl)Phenols
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Publikationsverlauf
Publikationsdatum:
19. März 2002 (online)
Acetalization of hydroxy- benzaldehydes, which has been reported to be unsatisfactory under normal protonic acid condition, and of acetophenones, has been efficiently carried out in benzene solution using [Ru(CH3CN)3(triphos)](OTf)2 (triphos = CH3C(CH2PPh2)3) as a catalyst and removing the water by azeotropic distillation.