Patent ID: 9688722
Date: 2017-06-27
CPC Classifications: A61K,A61P,C07K

Claim:
1. A compound having the formula: wherein: B is a blocking group selected from the group consisting of aminobenzoyl (Abz), acetyl (Ac), benzoyl (Bz), benzyloxycarbonyl (Z), τ-Butyloxycarbonyl (Boc), Furylacryloyl (Fa), Methoxysuccinyl (MeOSuc), Pyroglutamate (Pyr), Pyrazine, Phenylalanine, a peptide consisting of 1-3 natural amino acids, and Succinyl (Suc); Xaa Sp is a spacer molecule having a length in the range of 0.3 nm to 2.5 nm; Xaa Cyc is a boronyl proline, proline carbonitrile, nitrile pyrrolidone, or cyanopyrrolidine.