diaziridineA saturated, three-membered heterocycle containing one carbon atom and two nitrogen atoms
diazirineThe unsaturated heterocycle consisting of a three-membered ring containing one carbon atom and two nitrogen atoms connected by a double bond; it is isomeric with diazomethane
diazirinoAny univalent radical derived from diazirine
diazoContaining a pair of double bonded nitrogen atoms, typically directly attached to an aryl group.
diazoacetateAny salt or ester of diazoacetic acid; the esters react with alkenes to form cyclopropane derivatives
diazoaceticHaving a diazo group (−N=N−) and an acetic acid functional group (−COOH).
diazoacetoacetateAny diazo derivative of a acetoacetate group or ion
diazoleEither of two unsaturated heterocycles consisting of a five-membered ring containing three carbon atoms, two nitrogen atoms and two double bonds - namely pyrazole and imidazole
diazomaA corridor that divided sections of an Ancient Greek theatre.
diazomalonateAny diazo derivative of a malonate group or ion
diazomethanethe simplest diazo compound, CH₂=N⁺=N⁻; a toxic, yellow, explosive gas; used in analytical chemistry to convert carboxylic acids into their methyl esters for analysis via gas-liquid chromatography
diazomethylA univalent radical derived from diazomethane
diazonamideAny of a family of cytotoxic peptides found in marine ascidians of the genus Diazona.
diazotrophynitrogen fixation by means of diazotrophs
diazoxideA potassium channel activator which causes local relaxation in smooth muscle by increasing membrane permeability to potassium ions, used as a vasodilator to treat hypertension and in diabetes to decrease the secretion of insulin.
dibTo dig a hole by poking; especially, to dig a small hole in soil for the purpose of planting a bulb or seed.
dibenzoateAny organic compound that has two benzoate groups
dibenzocyclohepteneAny of several isomeric tricyclic hydrocarbons consisting of a cycloheptene ring fused with two benzene rings
dibenzocyclooctadieneAny tricyclic hydrocarbon composed of two benzene rings fused to one of cyclooctadiene, especially those that are the basis of some lignins
dibenzodiazepineAny of a class of antipsychotic drugs having a structure based on a diazepine heterocycle fused to two benzene rings
dibenzodioxinAn aromatic heterocycle having two benzene rings fused to a dioxin one; dibenzo-1,4-dioxin, oxanthrene.
dibenzofuranThe tricyclic heterocycle in which two benzene rings are fused to that of furan; any of its derivatives, especially the halogenated derivatives that are similar to dioxins
dibenzothiopheneThe tricyclic heterocycle in which two benzene rings are fused to that of thiophene; any of its derivatives, especially those that occur in crude oil
dibenzoxazepineAn incapacitating and lachrymatory agent, developed by the British Ministry of Defence for riot control in the late 1950s and early 1960s, whose derivatives have some pharmaceutical applications.
dibenzpentaceneAny of several isomeric polycyclic aromatic hydrocarbons in which two benzene rings are fused to a pentacene molecule, but especially 1,2,8,9-dibenzpentacene.
diboraneboron hydride, B₂H₆, a colourless explosive gas with a nasty smell; it has an unusual structure in which two of the hydrogen atoms form a bridge between the two boron atoms
diborateA salt or anion with oxygen and two boron atoms in the formula, (BO₃)₂ or B₂O₅
diborationAny addition reaction in which two boron atoms are attached across a double bond