A CONVENIENT SYNTHESIS OF 2-AMINO-5,6,7,8,-TETRAHYDRO-5-OXO-4-ARYL-7,7-DIMETHYL-4H-BENZO-[b]-PYRAN-3-ETHYLCARBOXYLATES UNDER MICROWAVE IRRADIATION

Shujiang Tu Department of Chemistry, Xuzhou Normal, University, Xuzhou, 221009, People's Republic of China

Hai Wang Department of Chemistry, Nanjing University, Nanjing, 210093, People's Republic of China

Jianqing Feng Department of Chemistry, Nanjing University, Nanjing, 210093, People's Republic of China

Ailing Tang Department of Chemistry, Nanjing University, Nanjing, 210093, People's Republic of China

Juncai Feng Department of Chemistry, Nanjing University, Nanjing, 210093, People's Republic of China

Abstract

A series of 2-amino-5,6,7,8-tetrahydro-5-oxo-4-aryl-7,7-dimethyl-4H-benzo-[b]-pyran-3-ethylcarboxylates were synthesized by reaction of β-cyano-β-carbothoxy styrene and 5,5-dimethyl-1,3-cyclo-hexanedione under microwave irradiation without catalyst and solvent.

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A CONVENIENT SYNTHESIS OF 2-AMINO-5,6,7,8,-TETRAHYDRO-5-OXO-4-ARYL-7,7-DIMETHYL-4H-BENZO-[b]-PYRAN-3-ETHYLCARBOXYLATES UNDER MICROWAVE IRRADIATION

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A CONVENIENT SYNTHESIS OF 2-AMINO-5,6,7,8,-TETRAHYDRO-5-OXO-4-ARYL-7,7-DIMETHYL-4H-BENZO-[b]-PYRAN-3-ETHYLCARBOXYLATES UNDER MICROWAVE IRRADIATION

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