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Solvent free protection of carbonyl group under microwave irradiation

✍ Scribed by Bertrand Pério; Marie-Joelle Dozias; Patrick jacquault; Jack Hamelin

Book ID
104258234
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
200 KB
Volume
38
Category
Article
ISSN
0040-4039

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✦ Synopsis

Protection of aldehydes and ketones as aoetals or dioxolanes ¢aitalysod by PTSA or KSF clay was readily afhieved from orthoformates, 1,2-ethanediol or 2,2-dimethyl-l,3-dioxolane without solvent under microwave irradiation.

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ChemInform Abstract: Solvent Free Protec
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✍ B. PERIO; M.-J. DOZIAS; P. JACQUAULT; J. HAMELIN 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 2 views

Solvent Free Protection of Carbonyl Group under Microwave Irradiation. -The conversion of carbonyl compounds (I) to the corresponding acetals/ketals (III) or dioxolanes (V) is readily achieved by neat KSF clay or PTSA-catalyzed microwave irradiation in the presence of orthoformates, 1,2-ethanediol,

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A series of g-thionolactones was synthesized, with good yields, using a new combination of Lawesson's reagent (LR) and hexamethyldisiloxane (HMDO) in solvent-free conditions under microwave irradiation.