| abstract |
The present invention provides a kind of synthesis technology of isoamyl olefine aldehydr, using metal oxide as catalyst, under the conditions of existing for the auxiliary agent, isoamyl olefine aldehydr is prepared by catalytic material rearrangement of 2- methyl -3- butyne-2-alcohol, high catalytic efficiency of the present invention is selective good, yield is up to 93.9-96.1%, is suitble to industrialized production；Used catalyst of the present invention is cheap, and dosage is few, reduces production cost；Catalyst system of the present invention is simple, can simplify later separation step, reduces energy consumption cost；Conversion rate of the present invention is fast, and the reaction time only needs 20-40min；Catalyst stability of the present invention is good, applies more batches and still keeps superior performance, and after applying 20 times, yield reduces by 0.94%. |