An Efficient, One-Pot and new Synthesis of 2-amino-12H-spiro[indolo[1,2-b]quinazoline]pyrano-3-carbonitril

Subject Areas :

Gholam Hossein Mahdavinia ¹ , Afsaneh Alamdar ²

1 - Department of Chemistry, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
2 - Department of Chemistry, Arak Science & Research Branch, Islamic Azad University, Arak, Iran

Received: 2022-03-14 Accepted : 2022-03-14 Published : 2021-12-01

Keywords: One-pot, Spiropyran, Tryptanthrin, Alkyl malonates, Spiroindoloquinazoline,

Abstract :

An efficient synthesis of spiroindolopyranoquinazolines has been achieved in good yields by using one-pot, three-component condensation of alkyl malonates, tryptanthrin, and active methylene compounds in the presence of DABCO as organocatalyst in CH3CN at reflux

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Synthesis and spectroscopic study of a new diamidophosphoester, (4-CH3-C6H4O)((CH3)2CHNH)2P(O)
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Tributyl hexadecyl phosphonium bromide as a new and efficient catalyst for the one-pot synthesis of 3,4-dihydropyrimidinones/thiones via a three component condensation reactions
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Theoretical study of HCX (NH2) (X= O, S, and Se) analogs in the gas phase: Electronic Structure, Natural Bond Orbital (NBO) & Natural Resonance Theory (NRT)
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Synthesis 3 and 4-Dihydropyrimidinone and Thiones using Multi-Walled Carboxylated Carbon Nanotube Catalysts
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Study of the effects of solvent and temperature on the Connections of the MTX and L-FMTX with single-walled carbon nanotubes using QM and MM
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An Efficient, One-Pot and new Synthesis of 2-amino-12H-spiro[indolo[1,2-b]quinazoline]pyrano-3-carbonitril