hydrazone

Definitions

noun The name of a class of organic compounds with the group R′ CH:NNHR or R′ R″C:N.NHR, formed by the action of a hydrazine on a compound containing a carbonyl group, water being eliminated.

noun chemistry any compound, of general formula R2C=NNR2, formally derived from an aldehyde or ketone by replacing the carbonyl group with =NNH2 or derivative

Sorry, no etymologies found.

Help support Wordnik (and make this page ad-free) by adopting the word hydrazone.

The numbers approximate closely to those obtained by the hydrazone method.

Researches on Cellulose 1895-1900 C. F. Cross
Furfural from cellulose, oxycellulose, and hydrocellulose, 70; derivative from lævulose, 8; estimation as hydrazone and phloroglucide, 119, 121; oxidation of, 114, 118 (_refer also_ 'Pentosanes')

Researches on Cellulose 1895-1900 C. F. Cross
Treated with caustic soda solution the hydrazones were dissolved in part: on reprecipitation a hydrazone of unaltered composition was obtained.

Researches on Cellulose 1895-1900 C. F. Cross
The main product is a hydroxyfurfural, which was separated as a hydrazone.

Researches on Cellulose 1895-1900 C. F. Cross
In (a) by varying the weights of known quantities of furfural, and using the factor, hydrazone × 0.516 [+ 0.0104] in calculating from the weights of precipitates obtained, the maximum variations from the theoretical number were +1.71 and - 1.74.

Researches on Cellulose 1895-1900 C. F. Cross
A comparative investigation was made, precipitating furfural (a) as hydrazone in presence of acetic acid, and (b) as phloroglucide in presence of HCl

Researches on Cellulose 1895-1900 C. F. Cross
Covalent hydrazone bonds were stabilized by reduction with NaCNBH

PLoS ONE Alerts: New Articles Alfredo Csibi et al. 2010
C_ {36} H_ {60} O_ {31} and 6 C_ {24} H_ {49} O_ {21} respectively, assuming the reaction to be a hydrazone reaction.

Researches on Cellulose 1895-1900 C. F. Cross