Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1982-01-18
1983-05-17
Bond, Robert T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546250, C07D21314
Patent
active
043841201
ABSTRACT:
Pyridines are prepared by reacting a 2-alkoxy-2,3-dihydro-4H-pyran or a glutaraldehyde with ammonium nitrate in the presence of an aliphatic carboxylic acid and a catalytic amount of nitric acid.
The pyridines which can be prepared by the process according to the invention are useful starting materials for the preparation of dyes, drugs and pest control agents and are useful solvents.
REFERENCES:
patent: 3428034 (1969-11-01), Campbell et al.
patent: 3461127 (1969-08-01), Colchester
patent: 3492305 (1970-01-01), Colchester
patent: 3624090 (1971-11-01), Clark et al.
Fouquet Gerd
Merger Franz
BASF - Aktiengesellschaft
Bond Robert T.
Shurtleff John H.
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