| 摘要 |
A compound having the formula selected from the group consisting ofwherein either R3p and R4p are identical and selected from the group consisting of -OH, protected -OH and acyloxy of 1 to 8 carbon atoms, R2p is selected from the group consisting of -CN, -F, Br and I and R1p and R5p are hydrogen or R5p is -F and R1p and R2p are hydrogen or R1p and R2p are F and R5p is hydrogen, or R4p and R5p are identical and selected from the group consisting of -OH, protected -OH and acyloxy of 1 to 8 carbon atoms, R3p is selected from the group consisting of F and -CN and R1p and R2p are hydrogen, R8 is hydrogen or an amine protective group and R10 is the remainder in which the hydroxy or amino are protectedwherein R'1 is selected from the group consisting of alkyl of 1 to 4 carbon atoms, -CN, carboxy and alkoxy carbonyl of 1 to 4 carbon atoms.
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