HCID 131718413, compound → HCID 67794263, compound

Participants

Reaction Steps

The tert-butyl ester of Example 14 (301 mg, 0.65 mmol) was dissolved in trifluoroacetic acid (3 ml) and stirred for 3.5 h after which time the reaction was concentrated in vacuo. The residue was suspended in CH2Cl2 and filtered to give 155 mg (58%) of the title compound as a solid. Anal Calcd for C19H16N2O4Cl2.1/4H2O: C,55.42; H,4.04; N,6.80. Found: C.55.43; H,4.13; N,6.83. DSC=217.26°-219.87° C. at 104.8 J/g. MS M+1 calcd for C19H16N2O4Cl2 408, found 408.

Provenance & Evidence