## Abstract magnified image An efficient microwaveโassisted synthesis of 1โcarboxymethylโ5โtrifluoromethylโ5โhydroxyโ4,5โdihydroโ1__H__โpyrazoles from the cyclocondensation reaction between enones [CF~3~C(O)C(R^2^) = C(R^1^)(OR), where R^2^ = H, Me; R^1^ = H, Me, Et, Pr, __i__โPr, __t__โBu, __i__โB
โฆ LIBER โฆ
Microwave-Promoted Aromatization of 1,3,5-Trisubstituted 4,5-Dihydro-1H-pyrazoles by Calcium Hypochlorite under Solvent-Free Conditions.
โ Scribed by Davood Azarifar; Azadeh Gharshasbi
- Publisher
- John Wiley and Sons
- Year
- 2006
- Weight
- 18 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0931-7597
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A simple method for the synthesis of 2-pyrazolines is described which occurs on silica surface under solvent-free conditions within 110-180 sec using microwave irradiation. The results obtained indicate that the use of silica gel as a support in pyrazoline formation reactions can have a profound eff