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Indian Journal of Chemistry -Section B (IJC-B) >
IJC-B Vol.45B [2006] >
IJC-B Vol.45B(02) [February 2006] >
| Title: | Iodine (III) mediated synthesis of new 5-aryl-3-(4-hydroxy-6-methyl-2H-pyran-2-oxo-3-yl)-1-phenylpyrazoles from dehydrogenation of 5-aryl-3-(4-hydroxy-6-methyl-2H-pyran-2-oxo-3-yl)-1-phenylpyrazolines |
| Authors: | Prakash, Om
Kumar, Ajay
Kinger, Mayank
Singh, Shiv P |
| Keywords: | Iodine
phenylpyrazoles
dehydrogenation
phenylpyrazolines |
| Issue Date: | Feb-2006 |
| Publisher: | CSIR |
| IPC Code: | Int.Cl.7 C 07 D |
| Abstract: | 3-Cinnamoyl-4-hydroxy-6-methyl-2-pyrones
(chalcone analogs of DHA) on condensation with phenylhydrazine in ethanol,
yield 5-aryl-3-(4-hydroxy-6-methyl-2H-pyran-2-oxo-3-yl)-1-phenylpyrazolines
which undergo smooth dehydrogenation to the corresponding pyrazoles in good
yield upon treatment with iodobenzene diacetate (IBD). |
| Page(s): | 456-460 |
| ISSN: | 0975-0983(Online); 0376-4699(Print) |
| Source: | IJC-B Vol.45B(02) [February 2006]
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