Natalija M. Krstić

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The reactions of 21-hydroxyprogesterone with Lawesson’s reagent in toluene or $$\mathrm {{CH}_{2}{Cl}_{2}}$$ CH 2 Cl 2 gave four P-heterocyclic androst-4-ene derivatives (two tautomeric pairs): 4-(3-thioxoandrost-4-en-17 $$\upbeta $$ β -yl)-1,3,2-oxathiaphosphole-2- sulfide (2), 4-(3-thioxoandrost-4-en-17 $$\upbeta $$ β(More)
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