A NEW METHOD FOR SYNTHESIS OF TETRAHYDROBENZO [B] PYRANS AND DIHYDROPYRANO [C] CHROMENES USING P-DODECYLBENZENESULFONIC ACID AS CATALYST IN WATER

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SHEIKHHOSSEINI ENAYATOLLAH; GHAZANFARI DADKHODA; NEZAMABADI VIDA

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF CATALYSIS Year:2013 | Volume:3 | Issue:4 Page(s): 197-201

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Information Journal Paper

Title

A NEW METHOD FOR SYNTHESIS OF TETRAHYDROBENZO [B] PYRANS AND DIHYDROPYRANO [C] CHROMENES USING P-DODECYLBENZENESULFONIC ACID AS CATALYST IN WATER

Author(s)

SHEIKHHOSSEINI ENAYATOLLAH | GHAZANFARI DADKHODA | NEZAMABADI VIDA | Issue Writer Certificate

Keywords

GREEN MEDIAQ2

DIHYDROPYRANO [C] CHROMENQ2

P-DODECYLBENZENESULFONIC ACID (DBSA)Q2

TETRAHYDROBENZO [B] PYRANQ2

Abstract

p-Dodecylbenzenesulfonic acid (DBSA) was used as a catalyst for a simple and efficient one-pot synthesis of aryl substititued tetrahydrobenzo [b] pyrans and dihydropyrano [c] chromens via initial Knoevenagel, subsequent Micheal and final heterocyclization reactions of aryl aldehyde, malononitrile and 4-hydroxycoumarin/dimedone in moderate to excellent yields. The present method was operationally simple and use of water as the reaction medium made the process environmentally benign.

Cites

IRON ORE PELLET, A NATURAL AND REUSABLE CATALYST FOR SYNTHESIS OF PYRANO [2, 3-D] PYRIMIDINE AND DIHYDROPYRANO [C] CHROMENE DERIVATIVES IN AQUEOUS MEDIA

References

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APA: Copy

SHEIKHHOSSEINI, ENAYATOLLAH, GHAZANFARI, DADKHODA, & NEZAMABADI, VIDA. (2013). A NEW METHOD FOR SYNTHESIS OF TETRAHYDROBENZO [B] PYRANS AND DIHYDROPYRANO [C] CHROMENES USING P-DODECYLBENZENESULFONIC ACID AS CATALYST IN WATER. IRANIAN JOURNAL OF CATALYSIS, 3(4), 197-201. SID. https://sid.ir/paper/250202/en

Vancouver: Copy

SHEIKHHOSSEINI ENAYATOLLAH, GHAZANFARI DADKHODA, NEZAMABADI VIDA. A NEW METHOD FOR SYNTHESIS OF TETRAHYDROBENZO [B] PYRANS AND DIHYDROPYRANO [C] CHROMENES USING P-DODECYLBENZENESULFONIC ACID AS CATALYST IN WATER. IRANIAN JOURNAL OF CATALYSIS[Internet]. 2013;3(4):197-201. Available from: https://sid.ir/paper/250202/en

IEEE: Copy

ENAYATOLLAH SHEIKHHOSSEINI, DADKHODA GHAZANFARI, and VIDA NEZAMABADI, “A NEW METHOD FOR SYNTHESIS OF TETRAHYDROBENZO [B] PYRANS AND DIHYDROPYRANO [C] CHROMENES USING P-DODECYLBENZENESULFONIC ACID AS CATALYST IN WATER,” IRANIAN JOURNAL OF CATALYSIS, vol. 3, no. 4, pp. 197–201, 2013, [Online]. Available: https://sid.ir/paper/250202/en

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