97971-67-0Relevant academic research and scientific papers
The "photo-Friedel-Crafts acylation" of 1,4-naphthoquinones
Oelgemoeller, Michael,Schiel, Christian,Froehlich, Roland,Mattay, Jochen
, p. 2465 - 2474 (2007/10/03)
The photochemical reaction between 1,4-naphthoquinone (3) and several aliphatic and aromatic aldehydes 5a-f resulted in the formation of acylated naphthohydroquinones 6a-f in moderate to good yields of 42-79%. When benzaldehyde was used, the dibenzoylated product 7 was also isolated, in 14% yield. The regioselectivity was studied with the unsymmetrical substituted naphthoquinone 4 and butyraldehyde 5b and benzaldehyde 5f. With 5f, the corresponding diaroylated compound 12 was again isolated as a minor product. Oxidation of selected photoproducts afforded the corresponding acylated naphthoquinones 8a, 8b, 8f, and 13 in moderate to excellent yields of 53-94%. Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.
Photo-Fries Rearrangement: Rearrangement of Benzoyloxy Compounds
Sharma, Pavan K.,Khanna, Rajinder N.
, p. 353 - 356 (2007/10/02)
Photo-Fries migration of the benzoyl group in 1-benzoyloxy-5-methoxy naphthalene, 1,4-dibenzoyloxy-2-methyl naphthalene, 1,4-dibenzoyloxy naphthalene, 1,5-dibenzoyloxy naphthalene, 8-benzoyloxy quinoline, 1,2-dibenzoyloxy benzene, 1,3-dibenzoyloxy benzene, and 1,4-dibenzoyloxy benzene afforded the corresponding mono and di-C-benzoyl products. - Keywords: Naphthyl benzoate derivatives; 8-Benzoyloxy quinoline; Phenyl dibenzoates
