O‐Acylation of 3‐Methylpyrazol‐5‐ones with Acylisothiocyanates

References

• Himmelbauer , H. 1896 . Kohlensaureabspaltung aus dem 1‐phenyl‐3‐methyl‐5‐pyrazolon‐2‐carbonsaureathylester . J. Pract. Chem. , 54 : 189 – 191 .
   Google Scholar
• Terebenina , A. , Iordanov , N. , Iordanov , B. and Borisov , G. 1981 . On the synthesis of some acyl derivatives of 1‐phenyl‐3‐methyl‐pyrazol‐5‐one . Izv. Khim. , 14 : 118 – 124 .
   Google Scholar
• Terebenina , A. , Dimitrova , K. , Iordanov , B. , Chervenakov , P. and Borisov , G. 1985 . Terephtaloyl derivatives of 3‐methyl‐1‐phenyl‐5‐pyrazolone . Izv. Khim. , 18 : 68 – 73 .
   Google Scholar
• Lopez , R. , Leon , G. and Oliva , A. 1995 . 4‐Alkoxycarbonyl, 4‐alkylthiocarbonyl and 5‐alkoxycarbonyloxy derivatives of 1‐substituted‐3‐methylpyrazol‐5‐ones . J. Heterocycl. Chem. , 32 : 1377 – 1380 .
   Web of Science ®Google Scholar
• Tsolomitis , A. and Sandris , C. 1985 . Formation of 3‐phenylhydrazono‐3‐aroylpropionamides from the reaction of aroyl‐3(2H)‐isothiazolones with phenylhydrazine . J. Heterocycl. Chem. , 22 : 1465 – 1467 .
   Web of Science ®Google Scholar
• Kohei , I. 1957 . Synthesis of phenylpyrazololone derivatives. VIII. Absorption spectrum of phenylpyrazolone‐azomethine derivatives . Yakugaku, Zasshi. , 77 : 895 – 902 . Chem. Abstr. 1958, 52, 3782i
   Google Scholar
• Bai , Y. , Lu , J. , Gan , H. and Wang , Zh. 2002 . Rapid microwave‐enhanced synthesis of 1‐phenyl‐3‐methyl‐5‐acyloxypyrazoles under solvent‐free conditions . Synt. Commun. , 32 : 2549 – 2554 . [CROSSREF]
   Web of Science ®Google Scholar
• Colotta , V. , Cecchi , L. , Melani , F. , Palazzino , G. and Filacchioni , G. 1989 . Tricyclic heteroaromatic systems: synthesis 3H‐flunitrazepam brain membrane binding inhibition and structure‐activity relationships of 2,3‐dihydro‐2‐aryl‐4R‐[1]benzipyrano[4,3‐c]pyrazole‐3‐ones . J. Pharm. Sci. , 78 : 239 – 242 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Ahluwalia , W. K. , Garg , V. K. , Sharma , M. K. and Sharma , R. 1993 . A novel one‐pot synthesis of substituted 5‐benzoyl‐ and 5‐acetylamino‐1H,6H‐pyrano[2,3‐c]pyrazolones . Ind. J. Chem. Sect. B , 32 : 960 – 962 .
   Google Scholar
• Fetter , J. , Bertha , F. , Cruppon , T. , Kajtar‐Peredy , M. and Lempert , K. 1995 . Simple and condensed β‐lactams. Part 23. Synthesis of some compounds related to the monobactams, carrying non‐acylamino substituents in position 3 and various heterocyclyl or heterocyclylmethyl substitutents in position 4 of the β‐lactams ring . J. Chem. Res. , 11 : 2738 – 2789 .
   Google Scholar
• Khan , M. A. , Cosenza , A. G. and Ellis , G. P. 1982 . Pyranopyrazoles. II. Synthesis and reactions of 1H,6H‐pyrano[2,3‐c]pyrazol‐6‐ones . J. Heterocycl. Chem. , 19 : 1077 – 1085 .
   Web of Science ®Google Scholar
• Heinisch , G. , Hollub , C. and Holzer , W. 1991 . Pyrazoles. 5. Novel pyrazole analogues of flavanone, flavone and flavane . J. Heterocycl. Chem. , 28 : 1047 – 1050 .
   Web of Science ®Google Scholar
• Drobnica , L. , Kristian , P. and Augustin , P. 1977 . “ The chemistry of the –NCS group ” . In The Chemistry of Cyanates and Their Thio Derivaties Edited by: Patai , S. Vol. P.2 , 1003 – 1221 . John Wiley .
   Google Scholar
• Bakhite , E. A. and Radwan , Sh. M. 1999 . Synthesis, reactions and biological activity of some new thieno[2,3‐f]‐1,3‐benzodioles . Pharmazie , 54 : 491 – 498 . [PUBMED] [INFOTRIEVE]
   PubMed Web of Science ®Google Scholar
• Fokin , A. V. , Kolomiets , A. F. , Studnjev , Yu. N. , Rapkin , A. I. and Jakutin , V. I. 1974 . Structure and properties of haloacyl isothiocyanates . Bull. Acad. Sci. USSR (Engl. Transl.) , 23 : 2262 – 2264 .
   Web of Science ®Google Scholar
• Kutschy , P. , Dzurilla , M. , Kniezo , L. , Bernat , J. and Imrich , J. 1986 . Reactions of 3‐butine‐2‐methyl‐2‐ol with isothiocyanates . Collect. Czech. Chem. Commun. , 51 : 1119 – 1126 .
   Web of Science ®Google Scholar
• Becher , J. and Frandsen , E. G. 1977 . Derivatives and reactions of glutacondialdehyde. IV. 1‐Substituted‐3‐formyl‐2(1H)‐pyridinethiones . Tetrahedron , 33 : 341 – 343 . [CROSSREF]
   Web of Science ®Google Scholar
• Kutschy , P. , Suchy , M. , Andreani , A. , Dzurilla , M. and Rossi , M. 2001 . A new photocyclization approach to the rare 1,3‐thiazino[6,5‐b]indol‐4‐one derivatives . Tetrahedron Lett. , 42 : 9281 – 9284 . [CROSSREF]
   Web of Science ®Google Scholar
• Kutschy , P. , Dzurilla , M. , Takasugi , M. and Sabova , A. 1999 . Synthesis of some analogs of indole phytoalexins brassinin and methoxybrassenin B and their positional isomers . Collect. Czech. Chem. Commun. , 64 : 348 – 362 . [CROSSREF]
   Google Scholar
• Rojahn , C. A. 1922 . Uber einige ketone der pyrazol‐reihe . Chem. Ber. , 55 : 291 – 294 .
   Google Scholar