Process for the production of alkene-1,5-diols

Details Process for the production of alkene-1,5-diols Process for the production of alkene-1,5-diols

1977-01-12

1981-03-03

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 33035

Patent

active

042542898

ABSTRACT:
In the reaction of 3-methyl-3-buten-1-ol with aqueous formaldehyde forming isomeric alkene-1,5-diols, particularly 3-methylene-1,5-pentanediol and 3-methyl-2-pentene-1,5-diol, it has been found that yields of the diols surprisingly are substantially increased if the reaction is effected in the presence of added isobutene and the mol ratio of 3-methyl-3-buten-1-ol to formaldehyde is at least 1:1.

REFERENCES:
patent: 2868846 (1959-01-01), Lawlor et al.
patent: 3574773 (1971-04-01), Mueller et al.
patent: 3692848 (1972-09-01), Mueller et al.

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