| 摘要 |
PCT No. PCT/ES98/00078 Sec. 371 Date Feb. 16, 2000 Sec. 102(e) Date Feb. 16, 2000 PCT Filed Mar. 26, 1998 PCT Pub. No. WO99/48884 PCT Pub. Date Sep. 30, 1999Epoxidation procedure for olefinic compounds with hydrogen peroxide in the presence of solvents, preferably C1-C8 alcohols, using silica supported titanium catalysts, prepared by the impregnation of the silica with solutions of titanium alkoxydes and/or titanocenes in oxygenated organic solvents.
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