Preparation of 1,4-diazabicyclo[2.2.2]octanes

Details Preparation of 1,4-diazabicyclo[2.2.2]octanes Preparation of 1,4-diazabicyclo[2.2.2]octanes

1987-10-08

1989-02-14

Berch, Mark L.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544351, C07D48708

Patent

active

048047589

ABSTRACT:
1,4-Diazabicyclo[2.2.2]octane and C-substituted 1,4-diazabicyclo[2.2.2]octanes of the formula (I) ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl or alkenyl, each of 1 to 4 carbon atoms, are prepared from a heterocyclic amine of the formula (II) ##STR2## where R.sup.1 and R.sup.2 have the above meanings, R.sup.3 is hydrogen, hydroxyethyl or aminoethyl and X is hydroxyl or amino, in the presence of borosilicate and/or iron silicate zeolites as catalysts. Particularly suitable catalysts are the borosilicate and iron silicate zeolites of the pentasil type.

REFERENCES:
patent: 3297701 (1967-01-01), Brader et al.
patent: 3342820 (1967-09-01), Brader
patent: 3956329 (1976-05-01), Murakami et al.
patent: 4017494 (1977-04-01), Bosche et al.
patent: 4401637 (1983-08-01), Marosi et al.
patent: 4514567 (1985-04-01), Wells
Nakamura Chem Abstracts, vol. 83, No. 21, Nov. 24, 1975, 17911a.

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