Abstract
In an extremely fast method the reaction of hydrazine sulfate with a number of aldehydes and ketones, is accelerated by microwave irradiation under solvent free conditions in the presence of CH3CO2Na/CaCl2 to afford high yields of relevant azines.
References
1.
Kolb V.M.
,
Kuffel A. C.
, and
Spiwek H. O.
, and
Janota T. E.
, J. Org. Chem. , 1989 , 54 , 2771 .
2.
Dakova B.Y.
,
Evers M. J.
, and
Christiaens L. R.
, Bull. Soc. Chim. Belg. , 1987 , 96 (3 ), 219 .
3.
Afeefy H.A.
, J. Pharm. Sci. 1995 , 4 (2 ), 67 .
4.
Suschitzky H.
,
Walrond E. R.
, and
Hill R.
, J. Chem. Soc. Perkin Trans 1. 1977 , 47 .
5.
Kolb V.M.
, and
Hua D. H.
, J. Org. Chem. , 1984 , 49 , 3824
6.
Archana G.
, and
Jaghish T.
, Transition. Met. Chem. , 1988 , 13 (5 ), 395
7.
Vogel A.I.
, Textbook of Practical Organic Chemistry ; 4th ed, ELBS and Longman : London , 1978 .
8.
Smith P.A. S.
, Derivatives of Hydrazones and other Hydro-Nitrogens Having N-N Bonds; Benjamin : London , 1983 , pp. 43 –79 and references cited therein.
9.
Caddick S.
, Tetrahedron , 1995 , 51 , 10403 .
10.
Galema S.A.
, Chem. Soc. Rev. , 1997 , 26 , 233 .
11.
Varma R.S.
,
Dahiya R.
, and
Saini R. K.
, Tetrahedron Lett. , 1997 , 38 , 8819 .
12.
Chandrasekhar S.
, and
Subba Reddy B. V.
, Synlett , 1998 , 851 .
13.
Mitra A.K.
,
De A.
, and
Karchaudhuri N.
, Synth. Commun , 2000 , 30 (9 ), 1561 .