Schiff bases with 2-amino thiazoles

Schiff bases, 256-259, 268, 270 to amines. 40 from aminothiazoles, 98 with 2-amino thiazoles, 30, 40 complexes of, 99 cyclization to, 42 IR spectra of, 41 in reduction by AlLiH,. 14 in reduction by NaBH4, 14 LTV spectra of, 41 see also Thiazolylamidines Schistosomacidal, 141 Schistosomiasis japonica, 145 Schotten-Bauman reaction. 51. 123 Sedative, 145. 148,438 Selective herbicide, 135 Self association, effect of, on UV spectra of A-4-thiazoline-2-thione. 381 A-4-thiazoline-2-one, relation with protomery, 377... 

Aiiiino-4-phenylthiazoles, from o-diazo-acetophenone and thiourea, 231 2-Amino-5-phenylthiazole, diuretic prope ties of Schiffs bases of, 167 synthesis of, by condensation of ammonia with At(ary 1-1,3-oxathiol-2-yIidine) tertiary iminium salts. 300 2-(p-Ammophenyl) thiazoles, syntheses of, 4,5-disubstituted derivatives of, 191 2-Amino5-substituted thiazoles, from o-haloaiddiydes and thiourea, 224, 225 /V,At -bis (2-Amino-4 substituted thiazolyl)-p biphenylene, from p-biphenylene dithiourea and o-halocarbonyl compounds, 243... 

The condensation of substituted 2>aminothiazoles with paraformaldehyde and acetophenone in boiling ethanol affords 40—50% yields of 2-(j3-benzoylethylamino)thiazoles (85). Schiff s bases (86), derived from 2-amino-4-phenylthiazole, are readily prepared and are reduced cata-... 

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