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 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).