Abstract:
:Nine representatives of the title series of compounds [(ClCH2CH2)2NP(O)(NH2)ON = CRR'] were synthesized as potential anticancer prodrugs, based on the possibility of enzymatic reduction of the N-O bond to release the known cytotoxic agent phosphoramide mustard [1, (ClCH2CH2)2NP(O)(NH2)OH]. The dimethyl derivative (2, R = R' = CH3) exhibited a statistically significant, albeit low, level of anti-L1210 activity in mice. Derivative 2, which was shown by 31P NMR measurements to be very stable toward hydrolysis at 37 degrees C over a pH range of 5.7-7.4 (T1/2 congruent to 7-8 weeks), gave colorimetrically detectable amounts of alkylating material upon incubation with mouse liver slices: approximately 3-5% conversion after 20 min at 37 degrees C. A single-crystal X-ray study of 2 revealed an unusual hydrogen-bonded "ladder" and a very similar steric relationship for the NCH2CH2Cl and ON = CCH3 moieties.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Ludeman SM,Shao KL,Zon G,Himes VL,Mighell AD,Takagi S,Mizuta Kdoi
10.1021/jm00366a029subject
Has Abstractpub_date
1983-12-01 00:00:00pages
1788-90issue
12eissn
0022-2623issn
1520-4804journal_volume
26pub_type
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