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单词 Schiff base
释义

Definition of Schiff base in English:

Schiff base

noun
Chemistry
  • An organic compound having the structure R¹R²CNR³ (where R¹,²,³ are alkyl groups and R¹ may be hydrogen).

    Example sentencesExamples
    • The chloride is close to the Schiff base, although in unfavorable position for hydrogen bonding.
    • In some crystal structures, the conformational changes are limited to local residues surrounding the Schiff base.
    • On the other hand, in polar conjugated systems such as protonated Schiff bases the funnel shows a structure with just one twisted double bond.
    • Thus, continuous illumination creates another kind of deprotonated Schiff base containing photoproduct unrelated to the azide photocycle we described here.
    • This reorientation of the Schiff base determines the vectoriality of the proton pump.

Origin

Late 19th century: named after Hugo Schiff (1834–1915), German chemist.

 
 
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更新时间:2024/11/10 23:44:27