103687-95-2Relevant articles and documents
Antifertility Agents: Part XLIII - Synthesis of 3-Aryl-4,5-dihydro-2-substituted-5-tosyl-2H-pyrazoloquinolines and 2,4-Dihydro-3-phenylbenzopyranopyrazoles and Their Derivatives
Sangwan, Naresh K.,Kelkar, Prabhakar M.,Rastogi, Shri Nivas,Anand, N.
, p. 639 - 644 (2007/10/02)
2,3-Dihydro-1-tosyl-4(1H)-quinolones (5-7) on formylation give the corresponding 3-hydroxymethylene derivatives (11-13) of which 12 and 13 react with piperazine to afford N,N-bis-substituted piperazines (15 and 16).Refluxing of 11-13 with substituted hydr