Share this entry

Share this page

amide

División en sílabas: am·ide
Pronunciación: /ˈamīd, -id
 
/

Definición de amide en inglés:

sustantivo

Chemistry
1An organic compound containing the group —C(O)NH2, related to ammonia by replacing a hydrogen atom by an acyl group.
Example sentences
  • On the other hand, the permeability of the membrane for small uncharged solutes such as low molecular weight alcohols, amides, ketones etc., did not change.
  • Nitriles are formed by heating amides with phosphorous pentoxide or by treating organic halogen compounds with sodium cyanide.
  • Primary amides are weakly basic and can form compounds with metals such as sodium, potassium, mercury, and cadmium, although heavy metal amides can be explosive.
1.1A compound derived from ammonia by replacement of a hydrogen atom by a metal, containing the anion NH2-.
Example sentences
  • Secondary and tertiary amides are prepared by reacting primary amides or nitriles with organic acids.
  • The resulting ester was saponified under basic conditions to the free acid, converted to the acyl chloride with thionyl chloride, and then to the amide with anhydrous ammonia gas.
  • The ester functional group can also be split by ammonia to give amides and alcohols.

Origen

mid 19th century: from ammonia + -ide.

Definición de amide en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día cumbersome
Pronunciación: ˈkʌmbəs(ə)m
adjective
large or heavy and therefore difficult to carry…