A FACILE SYNTHESIS OF ETHYL-2-METHYL-5-ARYL-5H-CHROMENO-[3,4-c]PYRIDINE-1-CARBOXYLATES
作者:M. Venkati、G. L. David Krupadanam
DOI:10.1081/scc-100105383
日期:2001.1.1
Flav-4-ones on reaction with DMF/POCl3 gave 4-chloro-2-aryl-2H-chromene-3-carbaldehydes which on reaction with ethyl-3-aminocrotonate give under Hantszch reaction conditions ethyl-2-methyl-5-aryl-5H-chromeno[3,4-c]pyridine-1-carboxylates in good yields.
Kamboj, Ramesh C.; Berar, Surinder; Berar, Urmila, Journal of the Indian Chemical Society, 2011, vol. 88, # 6, p. 879 - 885
作者:Kamboj, Ramesh C.、Berar, Surinder、Berar, Urmila、Gupta, Satish C.
DOI:——
日期:——
Khanna, Mahavir S.; Singh, Om V.; Garg, Chandra P., Journal of the Chemical Society. Perkin transactions I, 1992, # 19, p. 2565 - 2568
作者:Khanna, Mahavir S.、Singh, Om V.、Garg, Chandra P.、Kapoor, Ram P.
DOI:——
日期:——
PRAKASH, OM;PAHUJA, SAROJ;GOYAL, SEEMA;SAWHNEY, SHANTI N.;MORIARTY, ROBER+, SYNLETT.,(1990) N, C. 337-338
Manganese(III) Acetate Mediated Oxidation of Flavanones: A Facile Synthesis of Flavones
作者:Om V. Singh、M. Muthukrishnan、Gopan Raj
DOI:10.1080/00397910500214490
日期:2005.10.1
Abstract Oxidation of flavanones (1a–o) with manganese(III) acetate by heating in acetic acid in presence of perchloric acid afforded exclusively flavones (2a–o) by dehydrogenation in almost quantitative yields.