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8.694 130 712 024 87 × 10 24: 1.037 234 111 951 59 × 10 29: C 66 H 134: n-hexahexacontane 67 2.357 379 613 444 82 × 10 25: 3.284 153 640 736 92 × 10 29: C 67 H 136: n-heptahexacontane 68 6.395 515 952 734 81 × 10 25: 1.040 424 065 537 93 × 10 30: C 68 H 138: n-octahexacontane 69 1.736 030 073 939 50 × 10 26: 3.297 847 459 787 95 × 10 30 ...
Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; ... Lists of isomers of alkanes (6 P) M. Methane (3 C, 52 P) P. Propane (4 C ...
In organic chemistry, an alkane, or paraffin (a historical trivial name that also has other meanings), is an acyclic saturated hydrocarbon. In other words, an alkane consists of hydrogen and carbon atoms arranged in a tree structure in which all the carbon–carbon bonds are single. [1] Alkanes have the general chemical formula C n H 2n+2.
Unsaturated compounds generally carry out typical addition reactions that are not possible with saturated compounds such as alkanes. A saturated organic compound has only single bonds between carbon atoms. An important class of saturated compounds are the alkanes. Many saturated compounds have functional groups, e.g., alcohols.
Higher alkanes are naturally present in crude oil and can be obtained via fractional distillation.Saturated fatty acids decarboxylate to higher alkanes. Long olefins can be hydrogenated to yield higher alkanes. n-alkanes can be isolated via the formation of urea clathrates.They can also be synthesized through Kolbe electrolysis or other coupling reactions like the Wurtz reaction.
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[2] [3] Many of the simple molecules of organic chemistry, such as the alkanes and alkenes, have both linear and ring isomers, that is, both acyclic and cyclic. For those with 4 or more carbons, the linear forms can have straight-chain or branched-chain isomers.
The Corey–House synthesis (also called the Corey–Posner–Whitesides–House reaction and other permutations) is an organic reaction that involves the reaction of a lithium diorganylcuprate with an organic halide or pseudohalide (′) to form a new alkane, as well as an ill-defined organocopper species and lithium (pseudo)halide as byproducts.