Triethylamine → HCID 86754460, compound

Participants

Reaction Steps

0.6 g of tert-butyl (3S)-3-(1-ethylphosphono-methylcyclopentane-1-carbonylamino)-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepine-1-acetate (preparation see Example 17) were reacted with 1.73 ml of triethylamine, 0.86 ml of pivaloyloxymethyl chloride and 0.1 g of dimethylaminopyridine according to the method indicated in Example 6. After chromatography on silica gel (eluent: ethyl acetate), 392 mg of the title compound were obtained as a viscous resin, IR=1740, 1650 cm-1 (CH2Cl2); [α]D20 =-122.90° (c=0.257 in methanol).

Provenance & Evidence