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47.1.1.5.2.1 Variation 1: Of Aldehydes

DOI: 10.1055/sos-SD-047-00141

Takeda, T.; Tsubouchi, A.Science of Synthesis, (201047274.

Salicylaldehyde derivatives act as excellent partners for the cross coupling with other aldehydes. Treatment of a mixture of the salicylaldehyde 76 and a slight excess of the heteroaromatic aldehyde 77 with the low-valent titanium reagent generated by the reduction of titanium(IV) chloride with zinc produces the corresponding 2-alkenylphenol 78 in good yield (Scheme 22).[‌104‌]

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