| 释义 |
Diazo-
Di`az´o-
| 1. | (Chem.) A combining form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo-benzene, C6H5.N2.OH.| Diazo reactions | | (Chem.) a series of reactions whereby diazo compounds are employed in substitution. These reactions are of great importance in organic chemistry. |
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diazo-
diazo- (dī-az'ō), Prefix denoting a compound containing the R-N=N-X or R=N2 grouping, where X is not carbon (except for CN). An example is diazomethane, CH2N2. Compare: azo-. [G. di-, two, + Fr. azote, nitrogen] diazo- Prefix denoting a compound containing the ≡C-N=N-X grouping, where X is not carbon (except for CN), or the grouping N2 attached by one atom to carbon.
Compare: azo-[G. di-, two, + Fr. azote, nitrogen] |