Process for the preparation of laotams

Details Process for the preparation of laotams Process for the preparation of laotams

1979-06-29

1981-02-10

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

546243, 2603265FN, 260464, 260465D, 2604654, C07D20108

Patent

active

042500931

ABSTRACT:
Five, six and seven member nitrogen-containing saturated heterocyclic compounds can be prepared by the catalytic hydrogenation/cyclization of beta, gamma and delta-cyanoesters. Applicants have discovered that this reaction is especially effective when it is conducted in the presence of catalysts comprising at least one of ruthenium and iron.

REFERENCES:
patent: 2843600 (1958-07-01), McKeever
patent: 3919197 (1975-11-01), Garritsen et al.
patent: 3931292 (1976-01-01), Garritsen et al.

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