Abstract:
Title compds. II, as antibiotics with a broad spectrum activity, were prepd. by reaction of I (R1 = protected amino group) with acetylhalide or propionyl halide at -10≦̸C-50≦̸C, followed by conversion into the iminohalide, alcoholysis, and hydrolysis of the alkoxy imino compd. to I. (R2 = 3-oxobutyryl oxy group, 1-methyl-1H-tetrazol-5-yl thio group, or 1-(2-dimethyl amino ethyl)-1H-tetrazol-5-yl thio group).
Abstract:
Adhesivo para una aguja de inyección, que comprende: 10% a 25% en peso de resina epoxi alifáticadesnaturalizada, 35% a 50% en peso de resina epoxi de tipo bisfenol A, 10% a 20% en peso de óxido de titanio yresina de poliamida desnaturalizada, presentando dicho adhesivo una viscosidad de por lo menos aproximadamente20.000 mPa·s aunque no superior a aproximadamente 40.000 mPa·s.