公开(公告)号：US3910983A

公开(公告)日：1975-10-07

申请号：US40729773

申请日：1973-10-17

Applicant: BASF AG

Inventor： MERKEL KARL ,  DATOW JOACHIM ,  PAETSCH JUERGEN ,  HOFFMANN HERWIG ,  WINDERL SIEGFRIED

IPC: C07C69/96 ,  C07C20060101 ,  C07C68/00 ,  C07C68/02 ,  C07C69/00

CPC classification number: C07C68/02 ,  C07C69/96

Abstract: A process for the continuous production of esters of chloroformic acid from an alcohol, particularly a polyhydric alcohol, and phosgene, the process being carried out in an excess of phosgene and the alcohol being mixed in within a particularly short period of time.

Abstract translation: 从醇，特别是多元醇和光气中连续生产氯甲酸酯的方法，该方法在过量的光气中进行，醇在特别短的时间内混合。

公开(公告)号：CA1157452A

公开(公告)日：1983-11-22

申请号：CA380336

申请日：1981-06-22

Applicant: BASF AG

Inventor： BROECKER FRANZ J ,  HUPFER LEOPOLD ,  MERGER FRANZ ,  MIESEN ERNEST ,  PAETSCH JUERGEN ,  ZIRKER GUENTER

IPC: C07C29/14 ,  B01J23/00 ,  B01J23/80 ,  C07B61/00 ,  C07C27/00 ,  C07C29/141 ,  C07C31/20 ,  C07C31/27 ,  C07C33/26 ,  C07C67/00

Abstract: Hydrogenation catalysts which are prepared from mixed crystals of copper-zinc compounds, obtained by precipitation, of the formula Cu1.5-3Zn1-2.5(CO3)1-2(OH)4-6 ? (H2O)O-1 by decomposition at 200 - 500.degree.C, and are used for the catalytic preparation of propanediols of the formula I where the R's may be identical or different and each is an aliphatic, araliphatic or aromatic radical, or the two R's together with the adjacent carbon atom are members of an alicyclic ring, by hydrogenating hydroxypropionaldehydes of the formula II where R has the above meanings, and to processes for the preparation of propanediols, using such catalysts. The propane-1,3-diols obtainable by the novel process are valuable starting materials for the preparation of lubricants, plastics, surface coatings and synthetic resins, for example of polyesters derived from the propanediols.