Lithium diisopropylamide undergoes an addition reaction to the methyleneamino moiety of the title Schiffs bases substituted with a cyano group at the ortho or parn position of the aniline, but mediates tautomerization of the unsubstituted and metasubstituted derivatives into secondary enamines. Onl
Addition and metallation in the reaction of n-butyl-lithium with 2-ferrocenylpyridine
β Scribed by D.J. Booth; B.W. Rockett
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- French
- Weight
- 196 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
A number of N,N-dialhylarylmethylamiues including beasyldimethylamine (2), dimethylaminomethylferrocene (I), (3), N-(ferrocenylmethyl)piperidine (4), and N-(ferrocenylmethyl)pyrrolidine (4), have been shown to undergo specific 2-lithiation by n-butyl-lithium in ether-herane. Thus the amine (I) gave the lithio-amine (I') and
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## 2,4-Di-t-butyl-6-methylphenylphosphonous dichloride reacted with chloroform in the presence of lithium diisopropylamide to give (2,4-di-t-butyl-6-methylphenyl) (dichloromethyl) ( I , 2,2-trichloroethenyl)phosphine. The structure of this phosphine was analyzed by X-ray crystallography. This phosph
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