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Definition of the noun alkyne

What does alkyne mean as a name of something?

noun - plural: alkynes

  1. a colorless flammable gas used chiefly in welding and in organic synthesis

Alternative definition of the noun alkyne


  1. [organic chemistry] A hydrocarbon containing at least one carbon–carbon triple bond.


Alkyne: In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond between two carbon atoms. The simplest acyclic alkynes with only one triple bond and no other functional groups form a homologous series with the general chemical formula CₙH₂ₙ₋₂. Alkynes are traditionally known as acetylenes, although the name acetylene also refers specifically to C₂H₂, known formally as ethyne using IUPAC nomenclature. Like other hydrocarbons, alkynes are generally hydrophobic but tend to be more reactive.

  • also known as acetylenes

Printed dictionaries and other books with definitions for Alkyne

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Google previewBasic Concepts of Organic Chemistry (2013)

Organic Chemistry by SANA JAMSHAID

An alkyne is a hydrocarbon containing triple bonds. The general formula of an alkyne is CnH2n-2. Alkanes are precursor of majority of organic compounds. Major sources Chapter: Introduction and nomenclature of organic compounds ...

Google previewModern Alkyne Chemistry (2014)

Catalytic and Atom-Economic Transformations by Barry M. Trost, Chao-Jun Li

Montreal Quebec H3A 2K6 Canada Liang Zhao McGill University Department of Chemistry Sherbrook Street West Room 322 Montreal Quebec H3A 2K6 Canada Preface Alkyne is a basic functionality with “relatively low thermodynamic.

Google previewHow To Solve Organic Reaction Mechanisms (2015)

A Stepwise Approach by Mark G. Moloney

The alkyne is the most nucleophilic site and the proton is the only electrophile. Alkynes are very susceptible to electrophilic addition reactions, especially with strong electrophiles. The alkyne is protonated by the acid, to give a resonance ...

Google previewOrganic Chemistry (2016)

An Acid-Base Approach, Second Edition by Michael B. Smith

an alkyne is a weaker base than an alkene. Assume that oxymercuration of unsymmetrical internal alkenes will yield a 1:1 mixture of two alcohols unless there is a compelling reason for one to predominate, such as electronic stabilization, ...

Google previewEncyclopedia of Physical Organic Chemistry, 6 Volume Set (2017)

by Zerong Wang, Uta Wille, Eusebio Juaristi

Figure 93 Stereoelectronic basis for assistance to bond formation provided by acceptors in azide–alkyne ...

Google previewThe American Heritage Science Dictionary (2005)

by American Heritage Dictionary

alkyne (al'kin') Any of a group of unsaturated hydrocarbons that have carbon atoms in chains linked by one or more triple bonds and that have the ...

Google previewConcise Dictionary of Biomedicine and Molecular Biology (2001)

by Pei-Show Juo

Alkylhalidase The enzyme that catalyzes the following reaction: Bromochloromethane + H2O Formaldehyde + bromide + chloride Alkylmercury Lyase The enzyme that catalyzes the following reaction: RHg+ + RH + Hg2+ H+ Alkyne An ...

Google previewWhittington's Dictionary of Plastics, Third Edition (1993)

by James F. Carley

Alkyne 15 up to 200°C and melts at 302°C. It has good electrical properties, low water absorption, and high solvent resistance. Alkene Same as OLEFIN, w s. Alkyd Molding Compound A compound based on an ALKYD RESIN containing ...

Google previewEncyclopedia of Supramolecular Chemistry (2004)

by J. L. Atwood, Jonathan W. Steed

Thus reaction of the tetrabromide core 5 with four equivalents of the requisite terminal alkyne building block 6 via generation of the alkynide anion afforded the first generation poly alkyne; concomitant reduction and depro- tection yielded the ...

Google previewA Dictionary of Physical Sciences (1976)

by John Daintith

A colourless highly flammable gaseous *alkyne,C2H2, produced by the Wulff process or by the action of water on calcium carbide. It is used in the manufacture of acrylic plastics and PVC and in oxy-acetylene welding and cutting. -82°C ...

Google previewThe Facts on File Dictionary of Organic Chemistry (2009)

by John Daintith

alkyne 1. The elimination of HBr from a haloalkane using an alcoholic solution of potassium hydroxide: RCH2CH2Br + KOH → KBr + H2O + RCH:CH2 2. The dehydration of an alcohol by passing the vapor over hot pumice (400°C): ...

Google previewConcise Polymeric Materials Encyclopedia (1998)

by Joseph C. Salamone

Dicobalt hexacarbonyl alkyne complexes with organometal- lic substituents (X, Y = silyl, stannyl, boryl) have been prepared in this way and studied by using multinuclear NMR spectros- copy.4 The compounds decompose slowly in light and ...

Google previewLewis' Dictionary of Toxicology (1998)

by Robert Alan Lewis

2: an alkyne. acetylene hydrocarbon. alkyne. acetylene tetrachloride. sym- tetrachloroethane. acetylethanoltrimethylammonium hydroxide. acetylcholine. acetylethyltetramethyltetralin (1,1,4,4-tetramethyl-6-ethyl-7-acetyl-1,2,3 ...

Google previewEncyclopedia of Cell Biology (2015)

developed an alkyne derivative of ibrutinib (Imbruvicas) ...

Google previewMosby's Dictionary of Medicine, Nursing & Health Professions (2016)

by Mosby

alkyne /al′kīn/, an unsaturated aliphatic hydrocarbon containing at ...

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Structure of Alkane, Alkene & Alkyne - Explanation

One of the best in the country for Education, Training for ISEET, CET, NEET, NTSE, etc. Bags several ranks every year and their students get admission to ...

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Scrabble value of A1L1K5Y4N1E1

The value of this 6-letter word is 13 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

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