Diammonium hydrogen phosphate:: An efficient and versatile catalyst for the one-pot synthesis of tetrahydrobenzo[b]pyran derivatives in aqueous media

被引：149

作者：

Balalaie, Saeed

Bararjanian, Morteza

Sheikh-Ahmadi, Masoumeh

Hekmat, Shohreh

Salehi, Peyman

机构：

[1] KN Toosi Univ Technol, Dept Chem, Tehran, Iran

[2] Islamic Azad Univ, Dept Chem, Tehran, Iran

[3] Shahid Beheshti Univ, Dept Phytochem Med Plants & Drug Res, Tehran, Iran

来源：

SYNTHETIC COMMUNICATIONS | 2007年 / 37卷 / 7-9期

关键词：

aqueous media; 4H-benzo[b]pyrans; diammonium hydrogen phosphate; knoevenagel cyclocondensation;

D O I：

10.1080/00397910701196579

中图分类号：

O62 [有机化学];

学科分类号：

070303 [有机化学]; 081704 [应用化学];

摘要：

Diammonium hydrogen phosphate was used as a mild, efficient, neutral, and cheap catalyst for the synthesis of various 4H-benzo[b]pyran derivatives via a one-pot, three-component condensation of aromatic aldehydes, active methylene compounds, and dimedone in aqueous media.

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收藏

页码：1097 / 1108

页数：12

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