Manufacture of 2,4-dioxo-oxazolidines

Details Manufacture of 2,4-dioxo-oxazolidines Manufacture of 2,4-dioxo-oxazolidines

1978-02-21

1980-02-05

Tovar, Jose

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

424272, C07D26344

Patent

active

041872274

ABSTRACT:
2,4-Dioxo-oxazolidines are manufactured by reacting aromatic amines with .alpha.-hydroxycarboxylic acid of the formula ##STR1## where R.sup.1 and R.sup.2 have the above meanings, Hal is halogen, preferably chlorine, and R.sup.4 is alkyl of 1 to 4 carbon atoms in the presence of a base, preferably at 20-120.degree. C.

REFERENCES:
patent: 2476559 (1949-07-01), Nawiasky et al.
patent: 2928840 (1960-03-01), Shapiro et al.

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