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On the PPh3 catalyzed reaction between dibenzoylacetylene and vicinal -OH and -SH acids. One-pot synthesis of 1,3-dioxolane derivative

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Amiri R., Haghdadi M., Nozari M.

Open Chemistry

2010

vol. 8

issue 1

188-193

The efficient conjugate addition of vicinal - OH and - SH acids such as ethylene glycol and 1,2-ethanedithiol to dibenzoylacetylene in the presence of PPh3 leads to different products depending on the reaction conditions. Ab initio calculations at HF/6-31G* level shows that the unsymmetrical envelope conformation of 2,2-disubstituted 1,3-dioxolane 1 is more stable than the half-chair and Cs symmetric envelope forms. [...]

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1 Open Chemistry

1 2010

1 Amiri R.

1 Haghdadi M.

1 Nozari M.

Search results

On the PPh3 catalyzed reaction between dibenzoylacetylene and vicinal -OH and -SH acids. One-pot synthesis of 1,3-dioxolane derivative