PROCESS FOR PREPARING NICOTINIC ACID Russian patent published in 1995 - IPC

Abstract RU 2049089 C1

FIELD: medicine. SUBSTANCE: the product: nicotinic acid. The preparation process comprises oxidizing β-pycoline with oxygen in the presence of nitrogen and steam in a gas phase on a catalyst which includes (wt): V₂O₅ 5-75; and TiO₂ 95-25 (anatase) and has a specific surface area of O₂:β-pycoline molar ratio of 15-40 and H₂O:β-pycoline molar ratio of 10-70 at 250-290 C. The nicotinic acid is then containers at 180 to 200 C. EFFECT: more efficient preparation process. 4 cl, 1 tbl

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RU 2 049 089 C1

Authors

Al'Kaeva E.M.

Andrushkevich T.V.

Zenkovets G.A.

Makarenko M.G.

Dates

1995-11-27—Published

1994-01-26—Filed