Patent ID: 6903223

Claim:
A phenyldiazirine compound of the following formula (I) wherein R 1 is —NHP 1 or —COX 1 ; R 2 is an aldehyde group, a hydroxy lower alkyl group, a halogenated lower alkyl group, a phthalimidoxy lower alkyl group or —(CH 2 ) x —O—NHP 1 ; P 1 is a protective group for an amino group; X 1 is an alkoxy group, a hydroxyl group or —NHSO 2 —X 2 —CO—X 3 ; X 2 is an arylene group or an alkylene group; X 3 is an alkoxy group or a hydroxyl group; m is an integer of from 1 to 4; n is an integer of from 1 to 6; and x is an integer of from 1 to 4.