Synthesis of 4-hydroperoxy derivatives of ifosfamide and trofosfamide by direct ozonation and preliminary antitumor evaluation in vivo

Hohorst, H.J.; Peter, G.; Struck, R.F.

Cancer Research 36(7 Part 1): 2278-2281

1976


ISSN/ISBN: 0008-5472
PMID: 945124
Document Number: 98436
A one-step synthesis of 4-hydroperoxyifosfamide and 4-hydroperoxytrofosfamide is described. The method involves direct ozonation of ifosfamide and trofosfamide and offers improved yields in comparison with Fenton oxidation and greater convenience in comparison with ozonation of the appropriate 3-butenyl phosphorodiamidate. Evaluation of the 4-hydroperoxy derivatives of cyclophosphamide, ifosfamide, and trofosfamide against leukemia L1210 in vivo suggests a superior effect for the ifosfamide derivatie.

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