Bis(trimethylsilyl)carbodiimide → HCID 178511907, compound

Participants

Reaction Steps

To a solution of 3-(4-oxo-2-(pyridin-2-yl)chroman-6-yl)benzonitrile (50 mg, 0.15 mmol) in DCM (2 mL) was added TiCl4 (1 mL, 1 M in CH2Cl2) dropwise within 15 minutes at room temperature. After stirring for 1 h, N,N′-methanediylidenebis(1,1,1-trimethylsilanamine) (0.07 mL, 0.31 mmol) was added dropwise. The mixture was stirred at room temperature overnight and poured into ice-water (25 g). The organic layer was separated and the aqueous layer was extracted with CH2Cl2. The combined organic layer was dried and concentrated to give crude (Z)—N-(6-(3-cyanophenyl)-2-(pyridin-2-yl)chroman-4-ylidene)cyanamide (100 mg, crude).

Provenance & Evidence