As the paragraph descriping shows that 1293-65-8 is playing an increasingly important role.
With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1293-65-8,1,1′-Dibromoferrocene,as a common compound, the synthetic route is as follows.,1293-65-8
Example L:Preparation of (RC,SFC,SP)-1 -[2-(1 -dimethylaminoethyl)ferrocen-1 -yl]phenylphosphino-1 ‘-bromoferrocene of the formula (B1 ) [Ph = phenyl; Me = methyl].N MthetaQ diastereomers One diastereomer a) Preparation of i -phenylchlorophosphine-i ‘-bromoferrocene (X1 ).At a temperature of <-30C, 14.5 ml (23.2 mmol) of n-butyllithium (n-Bu-Li) (1.6 M in hexane) are added dropwise to a solution of 8 g (23.2 mmol) of 1 ,1 '-dibromoferrocene in 30 ml of tetrahydrofuran (THF). The mixture is stirred at this temperature for a further 30 minutes. The mixture is then cooled to -78C, and 3.15 ml (23.2 mmol) of phenyldichlorophosphine are added dropwise at a sufficiently slow rate that the temperature does not rise above -600C. After stirring at -78C for a further 10 minutes, the temperature is allowed to rise to room temperature, and the mixture is stirred for another hour. A suspension of the monochlorophosphine X1 is thus obtained.
As the paragraph descriping shows that 1293-65-8 is playing an increasingly important role.
Reference£º
Patent; SPEEDEL EXPERIMENTA AG; WO2008/113835; (2008); A1;,
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