PYRROLOBENZODIAZEPINES

摘要

A compound of formula I: wherein: the dotted line indicates the optional presence of a double bond between C2 and C3; R2 is selected from -H, -OH, =O, =CH2, -CN, -R, OR, halo, =CH-R, O-SO2-R, CO2R and COR; R7 is selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR', nitro, Me3Sn and halo; where R and R' are independently selected from optionally substituted C1-7 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; R10 and R11 either together form a double bond, or are selected from H and YRY, where Y is selected from O, S and NH and RY is H or C1-7alkyl or H and SOxM, where x is 2 or 3, and M is a monovalent pharmaceutically acceptable cation; each X is independently a C5-6 heteroarylene group; n is from 1 to 6.