| 摘要 |
A process is disclosed for the epoxidation of C2-C4 alpha-olefins and dienes by contact with oxygen in the presence of the particulate fraction of microorganisms or enzyme preparations derived therefrom. The microorganisms or enzyme preparations derived therefrom are microorganisms which have been cultivated in a nutrient medium containing methane or dimethyl ether and oxygen. Preferred microorganisms are obligative or facultative methylotrophs. Especially suitable are strains having the following designations: Methylosinus trichosporium OB3B (NEEL B-11, 196); Methylosinus sporium 5 (NRRL B-11, 197); Methylocystis parvus OBBP (NRRL B-11, 198); Methylomonas methanica S1 (NRRL B=11, 199); Methylomonas albus BG 8 (NRRL B-11, 200); Methylobacter capsulatus Y (NRRL B-11, 201); Methylobacterium organophilum sp nov. (ATCC 27.886); Methylomonas sp AJ-3670 (FERM P-2400); Methylococcus 999 (NCIB Accession No. 11,083; and Methylomonas SM 3 (NCIB Accession No. 11,084). Propylene is the preferred alpha-olefin for employment in the process. |
