Publication Cover
Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 34, 2004 - Issue 24
480
Views
73
CrossRef citations to date
0
Altmetric
Original Articles

Three‐Component One‐Pot Synthesis of 1,4‐Dihydropyrano[2,3‐c]pyrazole Derivatives in Aqueous Media

, , , , &
Pages 4557-4563 | Received 18 Jun 2004, Published online: 10 Jan 2011

References

  • Ocallaghan , C. N. and Mcmurry , T. B.H. 1999 . Dimeriztion of Knoevenagel condensation products obtained from simple unconjugated and α,β‐unsaturated ketones . J. Chem. Res. (S) , : 457
  • Armesto , D. , Albert , A. , Cano , F. H. , Martin , N. , Ramos , A. , Rodriguez , M. , Segura , J. L. and Seoane , C. 1997 . A Study on the scope of the photochemical ring contraction of substituted 2‐amino‐3‐cyano‐4H‐pyrans to cyclobutenes: Crystal structure of 3‐carbamoyl‐3‐cyano‐1‐ethoxycarbonyl‐4‐isopropyl‐2‐phenylcyclobutense . J. Chem. Soc. Perkin Trans. I , : 3401
  • Shestopalov , A. M. , Zukhral , N. , Evans , D. H. and Niyazgmbetov , M. E. 1999 . Synthesis of 2‐amino‐4‐aryl‐3‐cyano‐6‐methyl‐5‐ethoxycarbonyl‐4H‐pyrans . Heterocycles , 51 ( 5 ) : 1101
  • Witte , E. C. , Neubert , P. and Roesoh , A. 7‐(Piperazinylpropoxy)‐2H‐1‐benzopyran‐2‐ones . Ger Offen DE 3427985 . 1986 . [Chem. Abstr. 1986, 104: 224915f]
  • Hyama , T. and Saimoto , H. Preparation of (furanyl)pentenylchromene derivatives as anticancer agents . Jpn. KoKai Tokkyo Koho, JP 62181276 . 1987 . [Chem. Abstr. 1988, 108: 37645p]
  • Wang , J. L. , Liu , D. , Zhang , Z. J. , Shan , S. , Han , X. , Srinivasula , S. M. , Croce , C. M. , Alnemri , E. S. and Huang , Z. 2000 . Structure‐based discovery of an organic compound that binds Bel‐2 protein and induces apoptosis of tumor cells . Proc. Natl. Acad. Sci. USA , 97 ( 13 ) : 7124
  • Martin , L. N. , Quinteiro , M. , Seoane , C. and Soto , J. L. 1990 . On the cyclization to the elusive amino‐4H‐pyran ring: some new facts . Liebigs. Ann. Chem. , : 101
  • Martin , N. , Martin , G. , Secoane , A. C. , Marco , J. L. , Albert , A. and Cano , F. H. 1993 . Michael addition of malononitrile to α‐acetylcinnamamides . Liebigs. Ann. Chem. , : 801
  • Maco , J. L. , Martin , N. , Grau , A. M. , Seoane , C. , Albert , A. and Cano , F. H. 1994 . Development of methods for the synthesis chiral, highly functionlized 2‐amino‐4‐aryl‐4H‐pyrans . Tetrahedron , 50 ( 11 ) : 3509
  • Wang , X. S. , Shi , D. Q. , Tu , S. J. , Yao , C. S. and Wang , Y. C. 2003 . Synthesis and crystal structure of 3‐methyl‐5‐cyano‐6‐amino‐1‐phenyl‐4‐(3,4‐dimethoxyphenyl)‐1,4‐dihydropyrano[2,3‐c]pyrazole . Chin. J. Struct. Chem. , 22 ( 3 ) : 331
  • Breslow , R. , Bovy , P. and Hersh , C. L. 1980 . Reversing the selectivity of cyclodextrin bisimidazole ribonuclease mimics by changing the catalyst geometry . J. Am. Chem. Soc. , 102 ( 6 ) : 2115
  • Li , C. 1993 . Organic reactions in aqueous media‐with a focus on carbon‐carbon bond formation . J. Chem. Rev. , 93 : 2023
  • Shi , D. Q. , Zhang , S. , Zhuang , Q. Y. , Wang , X. S. , Tu , S. J. and Hu , H. W. 2003 . Clean synthesis of 3‐methyl‐6‐amino‐5‐cyano‐4‐aryl‐1‐phenyl‐1,4‐dihydropyrano[2,3‐c] pyrazole in water . Chin. J. Org. Chem. , 23 ( 11 ) : 1314
  • Shi , D. Q. , Zhaung , Q. Y. , Chen , J. , Wang , X. S. , Tu , S. J. and Hu , H. W. 2003 . Reaction of aromatic aldehydes with 5,5‐dimethyl‐1,3‐cyclohexandione in water . Chin. J. Org. Chem. , 23 ( 7 ) : 694
  • Zhou , J. F. , Tu , S. J. , Gao , Y. and Ji , M. 2001 . One pot synthesis of pyrans and pyrano[2,3‐c]pyrazole derivatives under microwave irradiation . J. Org. Chem. , 21 ( 10 ) : 742

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.