Process for the production of macrocyclic esters and lactones ut

Details Process for the production of macrocyclic esters and lactones ut Process for the production of macrocyclic esters and lactones ut

1981-07-22

1983-07-12

Milestone, Norma S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 10, 549549, 549267, C07D31300, C07D31318, C07D32104, C07D32108, C07D32112, C07D32100, C07D32300

Patent

active

043932231

ABSTRACT:
Mixed metal compounds comprised of aluminum alkoxides or aluminum carboxylates with an alkali metal or magnesium alkoxide or carboxylate are useful catalysts for the thermal depolymerization of polyesters to produce macrocyclic compounds. High yields and enhanced rates of reaction are possible utilizing these mixed metal catalysts in known depolymerization procedures.

REFERENCES:
patent: 4165321 (1979-08-01), Harris et al.
patent: 4218379 (1980-08-01), Harris et al.
Chemical Abstracts, vol. 56, 11728e; vol. 92, 76570f; vol. 77, 126010m.

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