Studies on 5-Bromodehydroacetic Acid Synthesis of 1,5-Dipheny1-3-(5-bromo-4-hydroxy-6-methyl- 2H-pyran-2-one-3-yl)-2-pyrazolines
| Main Authors: | V. K. MAHESH, C. L. SHARMA, SUMAN VASHISTHA, RAKESH SHARMA |
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| Format: | Article Journal |
| Bahasa: | eng |
| Terbitan: |
, 1979
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/6387270 |
Daftar Isi:
- Department of Chemistry, University of Roorkee, Roorkee 247 672 Manuscript received 2 August 1978, revised 23 February 1979, accepted 27 April 1979 5-Bromodehydroacetic acid(I), on condensation with aromatic aldehydes in the presence of piperidine gave chalcone type compounds(II). Reaction of II with phenylhydrazines in ethanol-acetic acid afforded 1,5-dipheny1-3-(5-bromo-4-hydroxy-6-methyl-2H-pyran-2-one-3-yl)-2-pyrazolines(IIi).