Method of preparing azacycloheptanes

Details Method of preparing azacycloheptanes Method of preparing azacycloheptanes

1993-12-28

1995-08-08

Ford, John M.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

C07D22304

Patent

active

054400341

ABSTRACT:
Propylamines are dehydrocyclized by non-acidic molecular sieves containing a Group VIII zerovalent metal to afford azacycloheptanes with good selectivity. The molecular sieves show less than 5% activity in a standard heptene-1 isomerization test. Performing the reaction in the presence of hydrogen and/or ammonia often is beneficial.

REFERENCES:
patent: 3903079 (1975-09-01), Heinz et al.
S. M. Csicsery, Ind. Eng. Chem. Proc. Des. Dev., 18, 191 (1979).
J. A. Weiszmann, "Handbook of Petroleum Refining Processes", R. A. Meyers, ed., McGraw-Hill Book Company, 1986, pp. 3-8.
N. Y. Chen and T. Y. Yan, Ind. Eng. Chem. Proc. Des. Dev., 25, 151 (1986).

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