1,4-Bismethanesulfonates of the Stereoisomeric - ACS Publications

122-123". c A crystal modification with m.p. 111-114O could be obtained. At elevated ... m.p. 40-46'. After several recrystallizations from diisopropy...
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1’ETE:H

\+-:istre:ited with lithium duriiiniirii hj-dride in the presence ~l

c.hloride to maintain acidity. Iluring the decornposition i ) f t h e hydride complex tlie pH of the solution was never : 1 l l c i w d t ~ rise i above 5. The product, isolated by continuous rstmction rsith ethyl acetate, x a s S7 mg. of 6-meth.r.lthiopurine. :hniiiiirii

I\-. I