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( N -Isocyanimino)triphenylphosphorane-Mediated, One-Pot, Efficient Synthesis of Sterically Congested 1,1,1-Trifluoro-2-(5-aryl-1,3,4-oxadiazol-2-yl)-2-propanol Derivatives via Intramolecular Aza-Wittig Reaction

โœ Scribed by Ramazani, Ali; Shajari, Nahid; Mahyari, Amir Tofangchi; Khoobi, Mehdi; Ahmadi, Yavar; Souldozi, Ali


Book ID
125549315
Publisher
Taylor and Francis Group
Year
2010
Tongue
English
Weight
144 KB
Volume
185
Category
Article
ISSN
1042-6507

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๐Ÿ“œ SIMILAR VOLUMES


The reaction of (N-isocyanimino) triphen
โœ Hamideh Ahankar; Ali Ramazani; Issa Amini; Yavar Ahmadi; Ali Souldozi ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 82 KB ๐Ÿ‘ 3 views

## Abstract The reaction of (E)โ€3โ€arylโ€2โ€propenoic acid derivatives with (Nโ€isocyanimino) triphenylphosphorane proceeds smoothly at room temperature to afford the corresponding 2โ€[(E)โ€2โ€arylโ€1โ€ethenyl]โ€1,3,4โ€oxadiazole via an intramolecular azaโ€Wittig reaction in good yields under neutral condition

The Reaction of (N-Isocyanimino)tripheny
โœ Ali Ramazani; Morteza Rouhani; Aram Rezaei; Nahid Shajari; Ali Souldozi ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 157 KB ๐Ÿ‘ 2 views

Reactions of biacetyl (ยผ butane-2,3-dione) with (N-isocyanimino)triphenylphosphorane in the presence of aromatic carboxylic acids proceed smoothly at room temperature and under neutral conditions to afford 3-(5-aryl-1,3,4-oxadiazol-2-yl)-3-hydroxybutan-2-one derivatives in high yields. Introduction

A one-pot efficient four-component react
โœ Ali Ramazani; Yavar Ahmadi; Asemeh Mashhadi Malekzadeh; Aram Rezaei ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 165 KB ๐Ÿ‘ 1 views

## Abstract Reactions of (__N__โ€isocyanimino) triphenylphosphorane with 2โ€oxopropylbenzoate (or acetate) in the presence of aromatic carboxylic acids and primary amines proceed smoothly at room temperature and in neutral conditions to afford sterically congested 1,3,4โ€oxadiazole derivatives in high