C - Chemistry – Metallurgy – 07 – H
Patent
C - Chemistry, Metallurgy
07
H
260/227
C07H 3/02 (2006.01) C07C 33/38 (2006.01) C07C 45/46 (2006.01) C07C 49/792 (2006.01) C07C 63/49 (2006.01) C07H 13/08 (2006.01) C07H 15/04 (2006.01) C07H 15/18 (2006.01)
Patent
CA 1134819
RAN 4060/103 Abstract Novel sugar esters and glycosides suitable for the treatment of neoplasms, acne, psoriasis and dermatoses have the formula Image wherein R1 represents a group of the formula -CH2OH, -CH2OR6, -COR7 or -CONH2; R2 represents hydrogen or lower alkanoyl; R3 and R4 represent hydrogen or lower alkanoyl or a group R6; R5 represents lower alkoxy or a group OR6 or OR8; R6 represents p-[2-(5,6,7,8-tetrahydro-5,5,8,8,- -tetramethyl-2-naphthyl)-propenyl]-benzoyl; R7 represents hydroxy, lower alkoxy or OM in which M represents a cation; and R8 represents p-[2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl- -2-naphthyl)-propenyl]-benzyl, with the provisos that (i) R1 represents a group of the formula -CH2OR6, R2 represents hydrogen and one of R3 and R4 represents hydrogen and the other represents a group R when R5 re- presents lower alkoxy; (ii) R1 re- presents a group of the formula -COR7 and R2, R3 and R4 represent lower alkanoyl when R5 represents a group of the formula OR6; and (iii) R1 represents a group of the formula -CH2OH, -COR7 or -CONH2 and R2, R3 and R4 represent hydrogen or lower alkanoyl when R5 represents a group of the formula OR8. The foregoing novel sugar esters and glycosides can be manufactured, for example, by introducing the group R6 or R8 into sugar derivatives which contain free hydroxy groups in the corresponding positions and, if desired, subsequently transforming functional groups.
353189
Bollag Werner
Wyss Pierre-Charles
Gowling Lafleur Henderson Llp
Hoffmann-La Roche Limited
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