5-Methylisoxazole-3-carbonyl chloride → 6-Chloro-12-(2-{4-[(5-methylisoxazol-3-yl)carbonyl]piperazin-1-yl}-2-oxoethoxy)-2,4,8,18,22-pentaazatetracyclo[14.3.1.1(3,7).1(9,13)]docosa-1(20),3(22),4,6,9(21),10,12,16,18-nonaene bis(trifluoroacetate)

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Reaction Steps

The desired compound was prepared according to the procedure of Example D94 using 6-chloro-12-(2-oxo-2-piperazin-1-ylethoxy)-2,4,8,18,22-pentaazatetracyclo[14.3.1.1(3,7).1(9,13)]docosa-1(20),3(22),4,6,9(21),10,12,16,18-nonaene tris(trifluoroacetate) and 5-methylisoxazole-3-carbonyl chloride as the starting materials in 80% yield. LCMS for C28H28ClN8O4 (M+H)+: m/z=575.0.

Provenance & Evidence