Isomerization of α-Pinene Oxide: Solvent Effects, Kinetics and Thermodynamics

被引：17

作者：

Maki-Arvela, Paivi ^{[1
]}

Shcherban, Nataliya ^{[1
,2
]}

Lozachmeur, Chloe ^{[1
]}

Russo, Vincenzo ^{[3
]}

Warna, Johan ^{[1
]}

Murzin, Dmitry Yu. ^{[1
]}

机构：

[1] Abo Akad Univ, Johan Gadolin Proc Chem Ctr, Turku, Finland

[2] Natl Acad Sci Ukraine, LV Pisarzhevsky Inst Phys Chem, 31 Pr Nauky, UA-03028 Kiev, Ukraine

[3] Univ Napoli Federico II, Via Cintia 4, I-80126 Naples, Italy

来源：

CATALYSIS LETTERS | 2019年 / 149卷 / 01期

关键词：

-Pinene oxide; Isomerization; Solvent effect; Kinetic modelling; Thermodynamics; ZINC TRIFLATE CATALYSTS; TRANS-CARVEOL; ALDEHYDE;

D O I：

10.1007/s10562-018-2617-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Kinetics and thermodynamics of -pinene oxide isomerization was investigated both theoretically and experimentally in different solvents in the temperature range of 50-140 degrees C using different zeolites, iron modified zeolites, Fe-H-MCM-41 and micro-mesoporous ZSM-5 derived catalysts. The aim was to elucidate the effect of solvent basicity and polarity on the product distribution in this reaction giving as the main value-added products campholenic aldehyde and trans-carveol, which are used as fragrances and perfumes. A generic kinetic first order model was developed composed of both parallel and consecutive routes. A thermodynamic analysis showed that product selectivity is determined by kinetic control and not by thermodynamics. Formation of campholenic aldehyde was favored in non-polar solvents, whereas basic solvents promoted formation of trans-carveol independent on temperature. [GRAPHICS] .

引用

页码：203 / 214

页数：12

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