摘要 |
The disclosure relates to a method for the synthesis of a compound of the formula (I) in which: n is an integer higher than or equal to 1; Rb and each Rn are independently a hydrogen atom, a C1-C6 arylalkyl group or a C1-C6 alkyl group substituted or not by an aryl group, -COOH, C1-C6, -COO-(alkyl), -CONH2, -SH, heteroaryl, -NH2, -NHC(NH)(NH2), C1-C6-s-(alkyl), -OH or phenol; Ra is a N-protective group; Rc is a ORd group in which Rd is a C1-C6 alkyl group or a NReRf group in which Re and Rf Re independently an N-protective group.
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