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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 40, 2010 - Issue 16
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Original Articles

Triphenylphosphine-Promoted Synthesis of Spiroketals from Phthalic Anhydride with Dialkyl Acetylenedicarboxylates

Mohammad Bayat Department of Chemistry, Imam Khomeini International University, Qazvin, IranCorrespondence[email protected]
,
Hossein Imanieh Department of Chemistry, Imam Khomeini International University, Qazvin, Iran
&
Mohammad H. Farjam Department of Chemistry, Imam Khomeini International University, Qazvin, Iran
Pages 2475-2482 | Received 06 Jul 2009, Published online: 26 Jul 2010
 
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Abstract

Triphenylphosphine, dialkyl acetylenedicarboxylates, and phthalic anhydride react in one pot to afford novel spirocyclic compounds in fairly good yields at room temperature.

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