Detail of "5888-52-8"

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Hydrogenolysis and hydrocracking of the carbon-oxygen bond

Hydrogenolysis and hydrocracking of the carbon-oxygen bond. 4. Thermal and catalytic hydrogenolysis of 4-propylguaiacol. Vuori, A.; Bredenberg, J. B. Son (Dep. Chem., Helsinki Univ. Technol., Espoo SF-02150/15, Finland). Holzforschung, 38(3), 133-40 (English) 1984. CODEN: HOLZAZ. ISSN: 0018-3830. DOCUMENT TYPE: Journal CA Section: 43 (Cellulose, Lignin, Paper, and Other Wood Products) Section cross-reference(s): 25 Thermal and catalytic hydrogenolysis of 4-propylguaiacol (I) [2785-87-7], -propylanisole [104-45-0], 4-propylveratrole [5888-52-8], and 4-propylpyrocatechol (II) [2525-02-2] as model for lignin were studied in a batch reactor at 518-618 K using C6H6, naphthalene, tetralin (III), and III-m-cresol mixt. as solvent, and g-Al2O3, CoO-MoO3- and MoO3-g-Al2O3, and C2S-persulfidated CoO-MoO3 and MoO3-g-Al2O3 as catalyst. The main reaction in thermal hydrogenolysis was the cleavage of the Me C-O bond of I giving II as major product. The solvent effect was related to the H donor ability of solvent used; the I was the H source when an inert solvent was present, and mol. H did not participate in the thermal hydrogenolysis. The cleavage of arom. ring C-O bonds of I became important when a hydrogenolysis catalyst was used. The selectivity of cleavage of arom. ring C-O bond was affected to some extent by the reaction temp. and S content of catalyst in the expts. with CoO-MoO3-g-Al2O3.

Electrochemical polymerization of 4-allyl-1,2-dimethoxybenzene

Electrochemical polymerization of 4-allyl-1,2-dimethoxybenzene. Testereci, H. N.; Akin-Oktem, G.; Oktem, Z. (Faculty of Arts and Sciences, Department of Chemistry, Kirikkale University, Yahsihan-Kirikkale 71450, Turk. 93-15-2 and 5888-52-8 are also occured in this study.). Reactive & Functional Polymers, 61(2), 183-189 (English) 2004 Elsevier B.V. CODEN: RFPOF6. ISSN: 1381-5148. DOCUMENT TYPE: Journal CA Section: 35 (Chemistry of Synthetic High Polymers) Redox behavior of 4-allyl-1,2-dimethoxybenzene (DMAB) was studied by using cyclic voltammetry and electrochem. polymn. was conducted at the measured peak potential. Const. potential electrolysis of the monomer was carried out in acetonitrile-tetrabutylammonium-tetrafluoroborate, solvent-electrolyte couple, at room temp. Electrochem. polymn. of the monomer yielded insol. polymer film on the electrode surface together with the low mol. wt. polymers in bulk of the soln. The effect of temp. on the rate of electrochem. polymn. was also studied. The structural analyses of the polymers were done by 1H-NMR and FTIR spectroscopy. Mol. wt. of the sol. polymer was detd. by cryoscopy. .