References
- Dryanska , V. , Ivanov , C. and Krusteva , R. 1984 . Synthesis , : 1038 Part III
- Bergman , E. D. , Ginsburg , D. and Pappo , R. 1959 . Org. React. , 10 : 179
- House , H. 1972 . “Modern Synthetic Reactions” , 595 – 623 . W. A. Benjamin Inc. .
- Blagoev , B. and Ivanov , D. 1970 . Synthesis , : 615
- Ivanov , D. , Vassilev , G. and Panayotov , I. 1975 . Synthesis , : 83
- Isaacs , N. S. 1976 . Chem. Soc. Rev. , 5 : 181
- Satisfactory elemental analyses and spectral data were obtained for all new compounds (3a-f, 4, 5)
- Simova , E. and Kurtev , B. 1970 . Comm. Dept. Chem. Bulg. Acad. Sci. , 3 : 349
- Spassov , S. L. 1969 . Tetrahedron , 25 : 3631 1971, 27, 1323
- Stefanovsky , J. and Viteva , L. 1971 . Comm. Dept. Chem. Bulg. Acad. Sci. , 4 : 99
- Measured on JEOL P-100 and Tesla BS 484-C (80 MHz) spectrometers in CDCl3 solution using TMS as an internal standard
- Mladenova , M. , Blagoev , B. and Kurtev , B. 1971 . C. R. Acad. Sci Paris , 273 : 766