英语词汇“hemi-acetal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

hemi-acetal

hemi-acetal n.

Brit.

/ˌhɛmɪˈasᵻtal/

U.S.

/ˌhɛmiˈæsəd(ə)l/

/ˌhɛmiˈæsəˌtæl/

Chemistry any of a class of compounds having the general formula R·CH(OH)(OR′), differing from an acetal in having an -OH group in place of one of the -OR groups.

ΘΚΠ

the world > matter > chemistry > organic chemistry > aldehydes or alkanals > [noun] > aldehyde derivatives

acetal1838

hydramide1865

phenylhydrazone1888

hemi-acetal1893

formal1900

1893 Jrnl. Chem. Soc. 64 i. 563 (heading) Hemi-acetals derived from substituted chloranils.

1964 N. G. Clark Mod. Org. Chem. xiv. 273 Hemi-acetals are generally unstable intermediates in the formation of true acetals.

extracted from hemi-prefix

as lemmas

单词	hemi-acetal
释义	> as lemmas hemi-acetal hemi-acetal n. Brit. /ˌhɛmɪˈasᵻtal/ , U.S. /ˌhɛmiˈæsəd(ə)l/ , /ˌhɛmiˈæsəˌtæl/ Chemistry any of a class of compounds having the general formula R·CH(OH)(OR′), differing from an acetal in having an -OH group in place of one of the -OR groups. ΘΚΠ the world > matter > chemistry > organic chemistry > aldehydes or alkanals > [noun] > aldehyde derivatives acetal1838 hydramide1865 phenylhydrazone1888 hemi-acetal1893 formal1900 1893 Jrnl. Chem. Soc. 64 i. 563 (heading) Hemi-acetals derived from substituted chloranils. 1964 N. G. Clark Mod. Org. Chem. xiv. 273 Hemi-acetals are generally unstable intermediates in the formation of true acetals. extracted from hemi-prefix < as lemmas
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