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Number of isomers [3] [4] Number of isomers including stereoisomers [3] [5] Molecular Formula Name of straight chain Synonyms 1 1 1 CH 4: methane: methyl hydride; natural gas 2 1 1 C 2 H 6: ethane: dimethyl; ethyl hydride; methyl methane 3 1 1 C 3 H 8: propane: dimethyl methane; propyl hydride 4 2 2 C 4 H 10: n-butane: butyl hydride ...
3-Hexyne is the organic compound with the formula C 2 H 5 CCC 2 H 5. This colorless liquid is one of three isomeric hexynes. 3-Hexyne forms with 5-decyne, 4-octyne, and 2-butyne a series of symmetric alkynes. It is a reagent in organometallic chemistry. [1] Structure of the coordination complex NbCl 3 (dimethoxyethane)(3-hexyne). [2]
The hexynes are a subgroup from the group of alkynes. It consists of several isomeric compounds having the formula C 6 H 10. The linear and branched members are: 1-Hexyne (n-butylacetylene) 2-Hexyne (methylpropylacetylene) 3-Hexyne (diethylacetylene) 3-methylpent-1-yne; 4-methylpent-1-yne; 4-methylpent-2-yne; 3,3-dimethylbut-1-yne
The former result from the overlap of an sp 3 orbital of carbon with the 1s orbital of a hydrogen; the latter by the overlap of two sp 3 orbitals on adjacent carbon atoms. The bond lengths amount to 1.09 × 10 −10 m for a C–H bond and 1.54 × 10 −10 m for a C–C bond.
A 3D model of ethyne (), the simplest alkyneIn organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond. [1] The simplest acyclic alkynes with only one triple bond and no other functional groups form a homologous series with the general chemical formula C n H 2n−2.
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For example, CH 3-CH 3 is the alkane ethANe. The name of CH 2 =CH 2 is therefore ethENe . For straight-chain alkenes with 4 or more carbon atoms, that name does not completely identify the compound.
Due to the activated nature of the cyclic carbon–carbon triple bond, many alkyne addition-type reactions such as the Diels–Alder, 1,3-dipolar cycloadditions and halogenation may be performed using very mild conditions and in the absence of the catalysts frequently required to accelerate the transformation in a non-cyclic system. In addition ...