The reaction of organotitanium reagents, methyltitanium triisopropoxide [MeTi(i-PrO)3] and phenyltitanium triisopropoxide [PhTi(i-PrO)3], with aryl triflates and halides proceeded in the presence of 1.0 mol% of palladium catalyst coordinated with (R*)-N,N-dimethyl-1-[(S*)-2-(diphenylphosphino)ferrocenyl]ethylamine [(R*)-(S*)-PPFA] in refluxing THF to give a quantitative yield of the corresponding cross-coupling products.
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Han et al. (2002) studied this question.