Synthesis of tetrahydrobenzo[b]pyran derivatives using a novel zirconia supported sodium hexamolybdochromate(III) catalyst

被引：0

作者：

Kadam, Pallavi ^{[1
]}

Bubanale, Sumit ^{[3
]}

Sabale, Sandip ^{[2
]}

Maradur, Sanjeev ^{[3
]}

Supale, Amit ^{[1
]}

机构：

[1] Bharati Vidyapeeths Dr Patangrao Kadam Mahavidyala, Dept Chem, Sangli 416416, India

[2] Jaysingpur Coll, Dept Chem, Jaysingpur 416101, Maharashtra, India

[3] Poornaprajna Inst Sci Res PPISR, Mat Sci & Catalysis Div, Bidalur Post, Bengaluru 562164, Karnataka, India

来源：

REACTION KINETICS MECHANISMS AND CATALYSIS | 2024年

关键词：

Heterogenous catalyst; Polyoxometalate; Sodium hexamolybdochromate(III); Zirconia; Multicomponent reaction; 4H-pyran; ONE-POT SYNTHESIS; SELECTIVE OXIDATION; HOMOGENEOUS CATALYST; AEROBIC OXIDATION; EFFICIENT; ACID; ALDEHYDES; ALCOHOLS;

D O I：

10.1007/s11144-024-02762-3

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：

Novel zirconia supported sodium hexamolybdochromate(III) has been synthesized and used as an efficient catalyst for the synthesis of 4H-benzo[b]pyran derivatives by one-pot three-component condensation of aldehydes, C-H activated compound and dimedone in ethanol at reflux condition. The catalyst was characterized by FT-IR, XRD, EDS, SEM and TGA. EDS analysis explored the pure form of the catalyst, while the XRD pattern indicates that, sodium hexamolybdochromate(III) underegoes in amorphous state. The catalyst is heterogeneous and can be recovered by a simple filtration method. It is reused four times without any major activity loss.

引用

页码：873 / 888

页数：16

共 41 条

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