Production of pyrrolopyrimidines and intermediates therefor

A compound represented by the formula:

• ##STR16## wherein X represents an amino, hydroxyl, or mercapto group;
• R.sup.1 represents hydrogen or a C.sub.1-6 alkyl group which may be substituted;
• R.sup.2 and R.sup.3 each, being the same or different from each other, and which may be different individually in the n repeating units, represents hydrogen or a C.sub.1-6 alkyl, C.sub.2-6 alkenyl, or C.sub.2-6 alkynyl group, any of which may be substituted;
• R.sup.4 represents OR.sup.5 wherein R.sup.5 represents hydrogen or a hydrocarbon group selected from the group consisting of C.sub.1-5 alkyl, benzyl, and phenyl any which may be substituted or NHCH(COOR.sup.6)CH.sub.2 CH.sub.2 COOR.sup.7 wherein R.sup.6 and R.sup.7 each represents hydrogen or a hydrocarbon group selected from the group consisting of C.sub.1-5 alkyl, benzyl, and phenyl which may be substituted;
• n represents an integer from 1 to 4;
• Y.sup.1 and Y.sup.2 are independently oxygen or sulfur;
• R.sup.8 and R.sup.9 independently represents hydrogen or a hydrocarbon group selected from the group consisting of C.sub.1-5 alkyl, benzyl, and phenyl any which may be substituted;
• or a salt thereof;
• wherein in the above formulae, the substituted alkyl, substituted alkenyl and substituted alkynyl groups of R.sup.1, R.sup.2, R.sup.3, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 are substituted with one to three substituents selected from the group consisting of halogen, nitro, cyano, alkoxy of 1 to 4 carbon atoms, alkanoyl of 1 to 4 carbon atoms, and alkanoyloxy of 1 to 4 carbon atoms, alkoxycarbonyl of 2 to 4 carbon atoms, trifluoromethyl, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms and alkylsulfonyl of 1 to 4 carbon atoms;
• and wherein the substituted phenyl and substituted benzyl groups of R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 are substituted with one to three substituents selected from the group consisting of halogen, nitro, cyano, alkoxy of 1 to 4 carbon atoms, alkanoyl of 1 to 4 carbon atoms, alkanoyloxy of 1 to 4 carbon atoms, alkoxycarbonyl of 2 to 4 carbon atoms, trifluoromethyl, alkythio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 3 carbon atoms, and alkynyl of 2 to 3 carbon atoms.