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Odorless Thioacetalization Reagent 2‐[1,3]Dithian‐2‐Ylidene‐3‐Oxo‐Butanamide and Its Chemoselectivity

✍ Scribed by Liu, Jun; Liu, Qun; Yu, Haifeng; Ouyang, Yan; Dong, Dewen

Book ID
120353511
Publisher
Taylor and Francis Group
Year
2004
Tongue
English
Weight
149 KB
Volume
34
Category
Article
ISSN
0039-7911

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✍ Sun Ran; Liu Qun; Yu Hai-Feng; Zhao Yu-Long; Liu Jun; Ouyang Yan; Dong De-Wen 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 62 KB

## Abstract α‐Oxo ketene dithioacetals, methyl 2‐(1,3‐dithian/dithiolan‐2‐ylidene)‐3‐oxobutanoate (**2a/2b**) prepared in nearly quantitative yields simply from methyl acetylacetate, carbon disulfide and 1,3‐dibromopropane/1,2‐dibro‐ moethane in the presence of potassium carbonate, were investigate