N,N,N',N'-Tetramethylazodicarboxamide → HCID 68616170, compound

Participants

Reaction Steps

In analogy to the procedure described in example 10 c], [rac]-2-ethoxy-3-(4-hydroxy-2-methyl-phenyl)-propionic acid ethyl ester (example 10 b]) was reacted with [rac]-3-[1,3]dioxan-2-yl-1-[4-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-5-yl]-propan-1-ol in the presence of tributylphosphine and N,N,N′,N′-tetramethyl azodicarboxamide to yield 3-(4-{3-[1,3]dioxan-2-yl-1-[4-methyl-2-(4-trifluoromethyl-phenyl)-thiazol-5-yl]-propoxy}-2-methyl-phenyl)-2-ethoxy-propionic acid ethyl ester as a mixture of two diastereomeric racemates as colorless oil.

Provenance & Evidence