oxamethanen.

Brit.

/ˌɒksəˈmiːθeɪn/, U.S.

/ˌɑksəˈmɛˌθeɪn/

Origin: Apparently formed within English, by compounding. Etymons: oxamic adj., ethane n.

Etymology: Apparently < oxam- (in oxamic adj.) + ethane n., although the adjective is first attested later.

Chemistry. Now rare and historical.

The ethyl ester, NH₂CO·COOCH₂CH₃, of oxamic acid; ethyl oxamate.

ΚΠ

1838 T. Thomson Chem. Org. Bodies 592 Of Oxamethane, or Etheroxamide.

1857 W. A. Miller Elements Chem. III. 173 This body,..originally termed oxamethane,..is now admitted to be oxamic ether, or the ether of amidated oxalic acid.

1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) x. 244 Ethyl oxamate, oxamethane, NH₂·CO·CO·CO·OC₂H₅, is a crystalline compound.

1969 Isis 60 492/1 Laurent asserted his priority concerning the discovery of the isomorphism between two substances obtained through substitution by Ferdinand La Provostaye: oxamethane, in which hydrogen had been substituted by chlorine to form the isomorphic chloroxamethane.

This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).

单词	oxamethane
释义	oxamethanen. Brit. /ˌɒksəˈmiːθeɪn/, U.S. /ˌɑksəˈmɛˌθeɪn/ Origin: Apparently formed within English, by compounding. Etymons: oxamic adj., ethane n. Etymology: Apparently < oxam- (in oxamic adj.) + ethane n., although the adjective is first attested later. Chemistry. Now rare and historical. The ethyl ester, NH₂CO·COOCH₂CH₃, of oxamic acid; ethyl oxamate. ΚΠ 1838 T. Thomson Chem. Org. Bodies 592 Of Oxamethane, or Etheroxamide. 1857 W. A. Miller Elements Chem. III. 173 This body,..originally termed oxamethane,..is now admitted to be oxamic ether, or the ether of amidated oxalic acid. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) x. 244 Ethyl oxamate, oxamethane, NH₂·CO·CO·CO·OC₂H₅, is a crystalline compound. 1969 Isis 60 492/1 Laurent asserted his priority concerning the discovery of the isomorphism between two substances obtained through substitution by Ferdinand La Provostaye: oxamethane, in which hydrogen had been substituted by chlorine to form the isomorphic chloroxamethane. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1838
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