allylic


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Related to allylic: Allylic substitution
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Words related to allylic

of or pertaining to the allyl radical

References in periodicals archive ?
In case of TAC three allylic groups are available that can react with the peroxide-induced radicals on the polymer backbone.
procera oil (Figure 4S, supplementary M.), integrating the glycerolic hydrogens (4H, o 4.10 and [delta] 4.26) and the allylic hydrogens (9H, o), the fatty acid composition of unsaturated fatty acids was estimated to be 75.3% and 24.7%, respectively.
Mehl et al., "Experimental and kinetic modeling study of 2-methyl-2-butene: allylic hydrocarbon kinetics," The Journal of Physical Chemistry A, vol.
Addition of vinylmagnesium bromide (2) to 4 gave 5, which was treated with 47% hydrobromic acid to furnish allylic bromide 6.
The methylene carbon atoms on either side of a carbon-carbon double bond are defined as allylic sites, while carbon atoms between two double bonds are bis-allylic.
The resulting sulfur radicals further attack reactive allylic hydrogens in rubber chains to form sulfur crosslinks, and so the vulcanization depends upon the number of the allylic hydrogens [28].
among others showed the use of complex I as a catalyst for the cyclopropanation of olefins and allylic activation by diazo-esters [19, 20, 27-29, 31-39].
Recently, the characteristic of allylic substitution of esters derived from 2-bromocyclohex-2-enol 9 with PhMgBr-based copper reagent has been testified to afford the anti SN2' products in good yields and with sufficient chirality transfer for synthesis of PA [28].
The [sup.1]H-[sup.1]H COSY NMR data (Figure S3) of 1 showed the three isolated spin-systems of C-4-C-3-C-19 (allylic coupling between H-3 and C[H.sub.3]-19), C-6-C-7, and C-11-C-17.
For instance, sesquiterpene [alpha]-farnesene is stress induced [31] and can be easily degraded due to photochemical allylic oxidation, hydroxylation, and epoxidation [32].
As antioxidant compounds donate a proton to the DPPH radical, greater weighting may be given to double bond positions that increase the availability of allylic protons (due to the weaker C-H bond at allyl groups) (Behrendorff et al., 2013).
As a result of the polymeric nature of the plant oil-based polymers, the number of bis-allylic protons, allylic protons, and double bonds per molecule is much higher than that of the parent oil.
Historically, quantification has been performed with GC-MS after solvolysis and hydrolysis of the conjugate groups (2, 8, 11); however, the presence of the 7[alpha]-hydroxyl group in these atypical bile acids generates an allylic structure in the B-ring of the steroid nucleus that is highly labile and readily degrades under acidic conditions and, in the presence of methanol, yields a series of methoxylated derivatives as artifacts (2, 23).