ethynyl


Also found in: Dictionary, Encyclopedia, Wikipedia.

ethynyl

the group −C=CH, when it occurs in organic compounds.
References in periodicals archive ?
Some organic compounds, including aryl ethynyl attached to triarylamine are used in electrophotography and light emission devices, including organic solar cells, due to their unique characteristics.
Substitution of the fluorine atoms bonded to the boron center in 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (F-BODIPY) compounds with ethynyl or aryl linkages can be achieved through either Grignard or lithium organometallic reagents.
The pill consists of two components, ethynyl oestrogen and progestin, and was said to have a 2% failure rate.
Comparative estrogenicity of estradiol, ethynyl estradiol and diethylstilbestrol in an in vivo, male sheepshead minnow (Cyprinodon Oariegatus), vitellogenin bioassay.
Chapters address lab-scale and larger-scale synthesis of azide compounds; azides by olefin hydroazidation reactions; the chemistry of vinyl, allenyl, and ethynyl azides; small rings by azide chemistry; Schmidt rearrangement reactions with alkyl azides; radical chemistry with azides; cycloaddition reactions with azides; dipolar cycloaddition reactions in peptide chemistry; the azide/nitrene interface and the photochemistry of azides; organoazides and transition metals; azide-containing high energy materials; azide chemistry in rotaxane and catenane synthesis, aza-Wittig reaction in natural product synthesis; and azides in carbohydrate chemistry.
The team's experiments indicate that triacetylene can be formed by a single collision of a "radical" ethynyl molecule and a diacetylene molecule.
His team's findings suggest ethynyl "could be a very good tool to investigate the gas properties [from] the earliest stages of massive star formation.
What about the impact of the presence of an ethynyl substituent in the 17 position of an estradiol molecule, or the role of micronized progesterone?
Contract awarded for c-6930 blister or road oxide ethynyl, compatible with each unit sterilizer
Crosslinking reactions at the ethynyl group in an imide oligomer end-capped with a phenyl ethynyl group have been widely investigated and reported (23-25).
Y is a conjugated |pi~-linker including aryl, vinyl, or ethynyl groups or combinations thereof, and mes is the mesityl group, 2,4,6-|Me.