Patent ID: 7371742

Claim:
Porphyrin compound of formula 1 And the metallated and/or labelled and/or conjugated forms thereof wherein, a) R1=X1-R5, R2=X1-R6, R3=X1-R7, R4=X1-R8 Wherein X1= , and a.1) at least one group among R5, R6, R7, R8 is a group A═S-D-Sugar OH, the other group(s) being the atom F, the sugar being a mono, a bi or a polysaccharide advantageously chosen in the group consisting of maltose, lactose, mannose, xylose, glucose, a.2) at least one group among R5,R6,R7,R8 is A′=O-sugar, the other groups being the atom F, the sugar being a mono or a polysaccharide advantageously chosen in the group consisting of galactose, mannose, xylose, glucose, or b) R2=-Y1-H and R1=R3+=R4=Y1-R9 where Y1= and is substituted in ortho, meta or para, and b.1) R9=O-CH2-CH2-CH2-S-sugar, the sugar being a mono or a polysaccharide advantageously chosen in the group consisting of glucose and mannose, or b.2) R9=O—CH2-CH2-Y—CH2-CH2-X-Sugar, or R9=O—CH2-CH2-Y—CH2-CH2-Y—CH2-CH2-X-Sugar, wherein X═O,S,-CH2- and Y═—O—,—CH2-, or b.3) R9=CH2-X-Sugar where X═O,S,CH2, the sugar being a mono, a di or a polysaccharide advantageously chosen in the group consisting of maltose, lactose, mannose, xylose, glucose, galactose, or c) R1=R2=R3=R4=-Y1-B where Y1 is and is substituted in para, and B=(CH2)n-S-sugar, the sugar being chosen in the group consisting of mannose, and xylose, glucose, and n=1 or 2, or d) R1=C-A4, R2=C—A3, R3=C—A2, R4=C—A1 where each substituent C is and is a m-hydroxyphenyl or p-hydroxyphenyl and d.1) at least two groups among A1,A2,A3,A4 are the group O-glucose OH, the other being the atom H, or d.2) at least two groups among A1,A2,A3,A4 are the group O—CH2CH2CH2—O—D-glucose OH, the others being the atom H and where R=R′1=R′2=H in a),b),c),d) or e) R1=R2=R3=H, R=R′1=R′2=CH2CH3 and R4=D-sugar where D= the polysaccharide advantageously chosen in the group consisting in glucose, maltose, mannose, xylose, or R1=R2=R3=R4=H, R=CH3,R′1=D—H,R′2=D-sugar the sugar being a mono or a polysaccharide advantageously chosen in the group consisting of maltose, mannose, xylose, lactose and higher polysaccharides.