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4,4′-di-tert-butylbiphenyl-catalysed lithiation of 2,3-dichloropropene: A Barbier-type practical alternative to 2,3-dilithiopropene

✍ Scribed by Albert Guijarro; Miguel Yus

Publisher
Elsevier Science
Year
1993
Tongue
French
Weight
249 KB
Volume
34
Category
Article
ISSN
0040-4039

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✦ Synopsis

The don of 23didll ompropene(1)~diffamt~~canpoundr(2)withan~~softitbium powda (1:7 molar ratio) in tk pmcsmce of a catalytic amount of4,edi-tar-krtylbiphnyl(5 mol 96) in tc.mhydrufunm al0"Clcada.af~hydmlyaiswith~ hydmddaricaci&toulc~ 1,4-&&inaBabicr-typcpmma.

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✍ Albert Guijarro; Miguel Yus 📂 Article 📅 1993 🏛 Elsevier Science 🌐 French ⚖ 241 KB

Abrbwctz l-be reaction of no equimolar amount of cbmmethyl ethyl etha (1) and diffamt carbonyl compou& (2) withm excess oflithiumpowder (1:7 molarratio)inthe p3atceofacaCalyticamount of4,4'di-rcrt-butylbipkatyl(5 mol%) in THF at WC leads. &ex hydrolysis. to the amwpondiq hydmxyethm 3.