کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
69123 48530 2006 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Synthesis of monoallyl guaiacol via allylation using HY zeolite
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
پیش نمایش صفحه اول مقاله
Synthesis of monoallyl guaiacol via allylation using HY zeolite
چکیده انگلیسی

Monoallyl guaiacol such as eugenol, o-eugenol and chavibetol are industrially important compounds, which were synthesized by the allylation of guaiacol using zeolite HY. The reaction was performed in an autoclave in the temperature range 140–200 °C and allyl alcohol to guaiacol mole ratio 1:4, under nitrogen pressure. Among zeolites, HY gave maximum guaiacol conversion (46%) compared to H-beta (28%), H-mordenite (15%) and HZSM-5 (4%) when compared under identical reaction conditions. Zeolites showed better selectivity (>85%) for monoallyl guaiacol than K-10 montmorillonite clay (47%). The pore architecture and acidic sites of the zeolites seems to influence the product selectivity.

Monoallyl guaiacol such as eugenol, o-eugenol and chavibetol were synthesized by the allylation of guaiacol using zeolite HY. Among zeolites, HY gave maximum guaiacol conversion (46%) with 85% selectivity for monoallyl guaiacol under optimum reaction conditions. Figure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Catalysis A: Chemical - Volume 244, Issues 1–2, 1 February 2006, Pages 278–282
نویسندگان
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