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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 ...
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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.
The scope of the Corey-House synthesis is exceptionally broad, and a range of lithium diorganylcuprates (R 2 CuLi, R = 1°, 2°, or 3° alkyl, aryl, or alkenyl) and organyl (pseudo)halides (RX, R = methyl, benzylic, allylic, 1°, or cyclic 2° alkyl, aryl, or alkenyl and X = Br, I, OTs, or OTf; X = Cl is marginal) will undergo coupling as the nucleophilic and electrophilic coupling partners ...
2-Methylheptane is a branched-chain alkane and an isomer of octane.It is an heptane molecule with a methyl group attached to its second atom. It is a flammable colorless liquid used as fuel.
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.
[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.
Key in this treatment is the introduction of 1,3-repulsive and destabilizing interactions and this type of steric hindrance should exist considering the molecular geometry of simple alkanes. In methane the distance between the hydrogen atoms is 1.8 angstrom but the combined van der Waals radii of hydrogen are 2.4 angstrom implying steric ...