| 摘要 |
<p>1497687 Mono- and di-urethanes BASF AG 6 May 1975 [13 May 1974] 18916/75 Heading C2C [Also in Divisions B2 and C3] Mono- and di-urethanes are made in the Examples (1-4, 7-10 and 12-14), either (A) by reacting stearyl alcohol with optionally isodecanol or 2-ethylhexanol, or benzyl alcohol or 2,3-dibromobutanediol-1,4 with a mixture of 2,4- and 2,6-toluylene diisocyanate, 4,4<SP>1</SP>- diisocyantodiphenylmethane, hexamethylene- 1,6-diisocyanate and/or phenyl isocyanate, or (B) by reacting benzylchlorocarboxylate with aniline and optionally dimethylaniline.</p> |
