abstract |
The purpose of the present invention is to provide a photoresponsive Smo ligand in which a photodegradable protecting group is bound to an active site (i.e. a site that is crucial for agonist or antagonist activity) of a Smo ligand. In other words, the present invention pertains to a photoresponsive Smo ligand which has a photodegradable protecting group bound to an active site of a Smo ligand. More specifically, the present invention pertains to a photoresponsive Smo ligand characterized in that the Smo ligand is, for example, a 1,4-diaminocyclohexane derivative, while the photodegradable protecting group includes an aromatic ring therein. |