8-chlorodibenz[b,f][1,4]oxazepin-10(11H)carbonyl chloride → 8-chlorodibenz[b,f][1,4]oxazepine-10(11H)carboxylic acid

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Reaction Steps

8-chlorodibenz[b,f][1,4]oxazepine-10(11H)-carboxylic acid, 2,[2-[(methylsulfonyl)amino]-1-oxo-3-phenyl]hydrazide (15) was prepared in the manner described above in Example 5 on a 0.51 mmol scale starting with N-(methylsulfonyl)-L-phenylalanine, hydrazide (14), prepared as described above in Example 14, and 8-chlorodibenz[b,f][1,4]-oxazepine-10(11H)-carbonyl chloride (2), prepared as described above in Example 2, to yield 0.11 g (42%) of product.

Provenance & Evidence