References
- Brown , D.J. 1984 . “ Pyrimidines and their benzo derivatives ” . In Comprehensive Heterocyclic Chemistry Edited by: Katritzky , A. R. and Rees , C.W. Vol. 3 , 57 – 155 . Oxford, New York : Pergamon Press . Part 2B
- Atwal , K.S. , Rovnyak , G.C. , Schwartz , J. , Moreland , S. , Hedberg , A. , Gougoutas , J.Z. , Malley , M.F. and Floyd , D.M. 1990 . Dihydropyrimidine calcium channel blokers: 2-heterosubstituted 4-aryl-1, 4-dihydro-6-methyl-5-pyrimidinecarboxylic acid ester as potent mimics of dihydropyrimidines . J. Med. Chem. , 33 : 1510 – 1515 .
- McNab , H. 1978 . Meldrum's Acid . Chem. Soc. Rev. , 7 : 345 – 358 .
- Chen , B.C. 1991 . Meldrum's Acid In Organic Synthesis . Heterocycles , 32 : 529 – 597 .
- Yamazaki , C. 1980 . Cyclization of Isothiosemicarbazones III. Formation of Thiozolines and Thioazoles through Potential Sulfonium Salt from N, S-Disubstituted Isothiosemicarbazones, Bull . Chem. Soc. Jpn. , 53 : 3289 – 3294 .
- Yamazaki , C. 1978 . Cyclization of Isothiosemicarbazones I. A New Route to 2-Mercapto-Imidazole Derivatives and 4-Substituted Imidazoles. Bull . Chem. Soc. Jpn. , 51 ( 6 ) : 1846 – 1855 .
- Yamazaki , C. 1981 . Cyclization of Isothiosemicarbazones IV. Synthesis of the 1 2 [4] Triazolo[1,5-c] Pyrimidine Ring System . Bull. Chem. Soc. Jpn. , 54 : 1767 – 1772 .
- Yamazaki , C. , Takada , S. , Suzuki , K. and Ishigami , M. 1985 . Cyclization of Isothiosemicarbazones 6. The formation and structure of N-alkenyl-1, 2, 4-triazoles and related compounds . J. Org. Chem. , 50 : 5513 – 5516 .
- Cassis , R. , Tapia , R. and Valderrama , J. 1985 . A. Synthesis of 4 (1H)-Quinoloes by thermolysis of arylaminomethylene maldrum's acid derivatives . Synth. Commun. , 15 : 125 – 133 .
- Chen , B.C. , Huang , X and Wang , J. 1987 . A versatile synthesis of 2-alkyl and 2-aryl 4-quinolones . Synthesis , : 482 – 483 .
- Chen , B.C. , Huang , X. and Ma , S.M. 1987 . A new facile synthesis of 5-Alkyl-2-aryl-3H-pyrazol-3-ones . Synth. Commun. , 17 : 1519 – 1522 .
- Ye , F.C. , Chen , B.C. and Huang , X. 1989 . Synthesis of 7-substituted 5-oxo-5h-thiazolo[3,2-a]pyrimidine-6-carboxylic acids, 2-substituted 4-oxo-4h-pyrido[1,2-a]pyrimidine-3-carboxylic acids, and 2,6-disubstituted 4-quinolones from meldrum's acid derivatives . Synthesis , : 317 – 320 .
- Brown , R.F.C. , Eastwood , F.W. and Harrington , K.J. 1974 . Methyl eneketenes and methylenecarbenes. I. Formation of arylmethyleneketenes and alkylideneketenes by pyrolysis of substituted 2, 2-dimethyl-1, 3-dioxane-4, 6-diones . Aust. J. Chem. , 27 : 2373 – 2384 .
- Yamazaki , C. 1975 . The Structure of isothiosemicarbazones . Can. J. Chem. , 53 : 610 – 615 .
- Bihlmayer , G.A. , Derflinger , G. , Derkosch , J. and Polansky , O.E. 1967 . Oxy- und aminomethylenmeldrumsäuren . Monatsh. Chem. , 98 ( 3 ) : 564 – 578 .
- Caution! The benzene has relatively great toxicity. Avoid skin contact. Do not inhale the vapour .