Compounds and method of synthesis of compounds of formula III:
and salts, solvates and chemically protected forms thereof, wherein:
R15 is optionally substituted C1-12 alkyl; R10 and R16 together form a double bond between N10 and C11, or R10 is H and R16 is OH; R7 is independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR', nitro, Me3Sn and halo, and the compound is a dimer with each monomer being of formula (III), where the R8 groups of each monomers form together a dimer bridge.
式 III 的化合物及其合成方法:
及其盐类、溶剂和
化学保护形式,其中
R15 是任选取代的 C1-12 烷基;R10 和 R16 共同形成 N10 和 C11 之间的双键,或 R10 是 H,R16 是 OH;R7 独立选自 H、R、OH、OR、SH、SR、NH2、NHR、NRR'、硝基、Me3Sn 和卤素,且化合物是二聚体,每个单体均为式 (III),其中每个单体的 R8 基团共同形成二聚体桥。