| 摘要 |
<p>1364633 Butane - 1,4 - diol; reducing butyne-1,4-diol GAF CORP 26 Aug 1971 [16 Sept 1970] 05250/74 Divided out of 1364632 Heading C2C Butyne-1,4-diol is hydrogenated to butane- 1,4-diol with H 2 under 1000-3000 p.s.i.g. at 40-175‹ C. in the presence of a catalyst comprising 12-20 wt. per cent metallic Ni, 1-10 wt. per cent metallic Cu and 0-1À5 wt. per cent metallic Mn on, as support, an amorphous or catalytically active crystalline-alumina containing up to 10% SiO 2 .</p> |
