United States Patent (19) 11) 4,339,589 Steglich Et Al
United States Patent (19) 11) 4,339,589 Steglich et al. 45) Jul. 13, 1982 54 PREPARATION OF 4-SUBSTITUTED 52 U.S. C. .................................... 548/228; 548/352; OXAZOLIDIN-5-ONES 562/441; 562/442; 562/443; 562/444; 562/445; (75) Inventors: Wolfgang Steglich, Berlin; Rudolf 562/446,562/553; 562/567; 562/568; 562/571; Hurnaus; Peter Gruber, both of 562/575; 562/433 Biberach; Boerries Kuebel, Berlin, all 58) Field of Search......................................... 548/228 of Fed. Rep. of Germany (56) References Cited 73) Assignee: BASF Aktiengesellschaft, Fed. Rep. U.S. PATENT DOCUMENTS of Germany 3,676,453 7/1972 Pines et al........ ... 548/228 (21) Appl. No.: 175,593 4,264,771 4/1981 Stealich et al. ..................... 548/228 22 Filed: Aug. 5, 1980 Primary Examiner-David B. Springer Attorney, Agent, or Firm-Keil & Witherspoon Related U.S. Application Data 57 ABSTRACT 63 Continuation of Ser. No. 891,456, Mar. 29, 1978, Pat. Manufacture of 4-substituted oxazolinone-(5) com No. 4,264,771, which is a continuation of Ser. No. pounds, which are intermediates for substituted aminoa 484,068, Jul. 16, 1974, abandoned. cids, by alkylation of 2-substituted or 3,4-disubstituted (30) Foreign Application Priority Data oxazolinone-(5) compounds in an aprotic solvent in the Jul. 19, 1973 (DE) Fed. Rep. of Germany ....... 2336718 presence of a tertiary amine. 51) Int. Cl. ............................................ C07D 265/10 7 Claims, No Drawings 4,339,589 1. 2 zyl, diacetoxybenzyl, methylenedioxybenzyl and p PREPARATION OF 4-SUBSTITUTED chlorobenzyl. OXAZOLDIN-5-ONES Further possible substituents of the alkyl radicals are alkoxy, alkylthio, acylamino and carbethoxy radicals, This is a continuation of application Ser.
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