Abstract
Stable derivatives of oxaphosphaphenanthrenes were prepared by using the reactions of dialkyl acetylenedicarboxylate with 3-bromo-2-naphthol in the presence of trimethyl or triphenyl phosphite under microwave conditions at 70 °C in good yields. Under similar conditions, chromene derivatives were produced by using triethyl phosphite and dialkyl acetylenedicarboxylate in the presence of OH-acids in excellent yields
Keywords: 4-hydroxycoumarine, acetylenic compounds, chromenes, one-pot reactions, trimethyl phosphate, triphenyl phosphite.
Combinatorial Chemistry & High Throughput Screening
Title:Expeditious Microwave-Assisted Synthesis of Functionalized Oxaphosphaphenanthrenes and Chromenes via Multicomponent Reactions of Trivalent Phosphorus Nucleophiles
Volume: 15 Issue: 10
Author(s): Zinatossadat Hossaini, Faramarz Rostami-Charati and Seyedeh Fereshteh Hayerizadeh
Affiliation:
Keywords: 4-hydroxycoumarine, acetylenic compounds, chromenes, one-pot reactions, trimethyl phosphate, triphenyl phosphite.
Abstract: Stable derivatives of oxaphosphaphenanthrenes were prepared by using the reactions of dialkyl acetylenedicarboxylate with 3-bromo-2-naphthol in the presence of trimethyl or triphenyl phosphite under microwave conditions at 70 °C in good yields. Under similar conditions, chromene derivatives were produced by using triethyl phosphite and dialkyl acetylenedicarboxylate in the presence of OH-acids in excellent yields
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Cite this article as:
Hossaini Zinatossadat, Rostami-Charati Faramarz and Fereshteh Hayerizadeh Seyedeh, Expeditious Microwave-Assisted Synthesis of Functionalized Oxaphosphaphenanthrenes and Chromenes via Multicomponent Reactions of Trivalent Phosphorus Nucleophiles, Combinatorial Chemistry & High Throughput Screening 2012; 15 (10) . https://dx.doi.org/10.2174/138620712803901117
DOI https://dx.doi.org/10.2174/138620712803901117 |
Print ISSN 1386-2073 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5402 |
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