| http://www.w3.org/ns/prov#value | - M is an alkali metal or ammonium cation or a tri-C1 -C6 -alkyl silyl group, so obtaining a compound of formula (I) wherein n and X are as defined above, is a single or double bond, Y is an oxo group, R2 is hydrogen and R1 is an azido group, and, if desired, converting a compound of formula (I) into another compound of formula (I) and/or, if desired, salifying a compound of formula (I) containing a
|
