dehydraceticadj.

/diːhʌɪdrəˈsiːtɪk/

Forms: Also deˌhydroaˈcetic.

Etymology: translating German dehydracetsäure dehydracetic acid (A. Geuther 1866, in Jenaische Zeitschr. f. Med. u. Naturwissen. II. 410), < dehydr- (in dehydro- comb. form) + acetic adj.

Chemistry.

dehydracetic acid n. a colourless, crystalline, cyclic compound, C₈H₈O₄, usually obtained by heating ethyl acetoacetate.

ΚΠ

1872 H. Watts Dict. Chem. Suppl. 543 Dehydracetic acid... An acid said to be produced by the action of hydrochloric or carbonic acid on the sodium salt of ethyl-diacetic acid.

1911 Jrnl. Amer. Chem. Soc. 33 1119 The construction of a satisfactory structural formula for dehydroacetic acid has occupied the attention of chemists ever since its discovery.

1937 Thorpe's Dict. Appl. Chem. (ed. 4) I. 63/2 Ethyl acetoacetate loses alcohol on refluxing and forms dehydracetic acid.

1969 R. J. W. Byrde in D.C. Torgeson Fungicides II. xii. 549 Dehydroacetic acid has proved of value as a postharvest treatment for fruit.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2020).

单词	dehydracetic
释义	dehydraceticadj. /diːhʌɪdrəˈsiːtɪk/ Forms: Also deˌhydroaˈcetic. Etymology: translating German dehydracetsäure dehydracetic acid (A. Geuther 1866, in Jenaische Zeitschr. f. Med. u. Naturwissen. II. 410), < dehydr- (in dehydro- comb. form) + acetic adj. Chemistry. dehydracetic acid n. a colourless, crystalline, cyclic compound, C₈H₈O₄, usually obtained by heating ethyl acetoacetate. ΚΠ 1872 H. Watts Dict. Chem. Suppl. 543 Dehydracetic acid... An acid said to be produced by the action of hydrochloric or carbonic acid on the sodium salt of ethyl-diacetic acid. 1911 Jrnl. Amer. Chem. Soc. 33 1119 The construction of a satisfactory structural formula for dehydroacetic acid has occupied the attention of chemists ever since its discovery. 1937 Thorpe's Dict. Appl. Chem. (ed. 4) I. 63/2 Ethyl acetoacetate loses alcohol on refluxing and forms dehydracetic acid. 1969 R. J. W. Byrde in D.C. Torgeson Fungicides II. xii. 549 Dehydroacetic acid has proved of value as a postharvest treatment for fruit. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2020). < adj.1872
随便看	confront confrontage confrontal confrontals confrontation confrontational confrontationalist confrontationist confrontationists confrontations confronted confronter confronters confronting confrontion confrontment confrontments confronts confronté confrère confrérie confucian confucianism confucianist confusabilities