Search results
Results from the WOW.Com Content Network
A cyclopropyl group is a chemical structure derived from cyclopropane; it is typically produced in a cyclopropanation reaction. The group has an empirical formula of C 3 H 5 and chemical bonds from each of the three carbons to both of the other two.
From left to right: the two isomeric groups propyl and 1-methylethyl (iPr or isopropyl), and the non-isomeric cyclopropyl group. In organic chemistry, a propyl group is a three-carbon alkyl substituent with chemical formula −CH 2 CH 2 CH 3 for the linear form.
A cycloalkyl group is derived from a cycloalkane by removal of a hydrogen atom from a ring and has the general formula −C n H 2n−1. [2] Typically an alkyl is a part of a larger molecule. In structural formulae, the symbol R is used to designate a generic (unspecified) alkyl group. The smallest alkyl group is methyl, with the formula −CH 3 ...
Most cyclopropanes are not prepared from the parent cyclopropane, which is somewhat inert. Cyclopropyl groups are often prepared by cyclization of 1,3-difunctional alkanes. An example of the former, cyclopropyl cyanide is prepared by the reaction of 4-chlorobutyronitrile with a strong base. [1]
Alkyl groups are saturated hydrocarbons substituents with the general formula C n H 2n+1 Pages in category "Alkyl groups" The following 7 pages are in this category ...
Alkyl cycloalkanes are chemical compounds with an alkyl group with a single ring of carbons to which hydrogens are attached according to the formula C n H 2n . They are named analogously to their normal alkane counterpart of the same carbon count: methylcyclopropane , methylcyclobutane , methylcyclopentane , methylcyclohexane , etc. [ 1 ]
Examples include the formation of cyclopropyl cyanide [18] and cyclopropylacetylene [19] This mechanism also forms the basis of the Favorskii rearrangement. A related process is the cyclisation of 1,3-dibromopropane via a Wurtz coupling. This was used for the first synthesis of cyclopropane by August Freund in 1881.
Alkyl compounds are chemical compounds formally derived from alkanes by replacement of one hydrogen atom with other atoms or functional groups. Alkyl compounds contain alkyl groups , C n H 2 n +1 , and have the general formula C n H 2 n +1 X, where X is any chemical element or group.