This invention relates to novel phosphorsulfide derivatives of deoxynucleosides or deoxynucleotides and their uses, particularly for the preparation of {HEAD ~ oligodeoxynucleotides} by {TAIL ~ the phosphite triester process} so called 
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This invention relates to novel phosphorsulfide derivatives of deoxynucleosides or deoxynucleotides and their uses , particularly for the preparation of { HEAD ~ oligodeoxynucleotides } by { TAIL ~ the phosphite triester process } so called
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