BCl3 Catalyzed, Solvent Free Protocol for the Synthesis of Dihydropyrano[3,2-b] Chromenediones

被引：2

作者：

Suryawanshi, Vikas B. ^{[1
,2
]}

Momin, Kalimoddin, I ^{[3
,4
]}

Dawle, Jairaj K. ^{[4
,5
]}

Mathapati, Sushil R. ^{[6
,7
]}

机构：

[1] KMC Coll, Dept Chem, Khopoli 410203, Maharashtra, India

[2] Mumbai Univ, Mumbai, Maharashtra, India

[3] Rajarshi Shahu Coll, Dept Chem, Latur 413512, Maharashtra, India

[4] SRTM Univ, Nanded, India

[5] Maharashtra Mahavidyalaya, Res Lab Pure & Appl Chem, Nilanga 413521, India

[6] Shri Madhavrao Patil Mahavidyalaya, Dept Chem, Murum 413605, India

[7] Dr BAM Univ, Aurangabad, Maharashtra, India

来源：

LETTERS IN ORGANIC CHEMISTRY | 2021年 / 18卷 / 05期

关键词：

Lewis acid catalyst; BCl3; Solvent free protocol; Dihydropyrano[3,2-b]chromenediones; Kojic acid; ACID; DERIVATIVES;

D O I：

10.2174/1570178617999200805163909

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Solvent free synthesis of dihydropyrano[3,2-b]chromenediones was formulated via multicomponent reactions of kojic acid, dimedone and several substituted aromatic aldehydes catalyzed with BCl3. Reactions progressed efficiently and the corresponding heterocyclic products were obtained in good to high yields within short period. The developed protocol is one of the better and efficient alternative methods for the synthesis of dihydropyrano[3,2-b]chromenediones. The simple reaction procedure, easy separation of products, radially available catalyst are certain benefits of this reported protocol.

引用

页码：400 / 406

页数：7

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