| abstract |
The present invention provides, as a novel compound that can be utilized for efficient synthesis or the like of a polypeptide comprising various amino acids, a silane-containing condensed cyclic dipeptide compound represented by formula (A). In formula (A), each of R11, R12, R13, R21, and R22 independently represents a hydrogen atom, a halogen atom, a hydroxyl group, a carboxyl group, a nitro group, a cyano group, or a thiol group, or a monovalent aliphatic hydrocarbon group, aromatic hydrocarbon group, or heterocyclic group that may have one or more substituents; and each of Ra1 and Ra2 independently represents a monovalent aliphatic hydrocarbon group or aromatic hydrocarbon group that may have one or more substituents. |