Synthesis of [5-14C]pentostatin, an anti
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Peter W. K. Woo; Helen T. Lee
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Article
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1990
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John Wiley and Sons
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French
β 426 KB
## Abstract Reaction of triethyl ortho[^14^C]formate (2) with 2βaminoβ1β(5βaminoβ1Hβimidazolβ4βyl)ethanone dihydrochloride (1) in the presence of molecular sieves 4A gave 6,7βdihydro[5β^14^C]imidazo[4,5βd][1,3]diazepinβ8(3H)βone hydrochloride monodimethyl sulfoxide (3) (radiochemical yield, 60%). T