| 主权项 |
1. A compound of Formula VII: wherein, R8 is hydrido, N-succinyl, or substituted or non-substituted alkyl radical; P1 is selected from hydrido, t-butoxycarbonyl, (9H-fluoren-9-yl)methoxy-carbonyl, substituted or non-substituted benzyloxycarbonyl, and substituted or non-substituted arylsulfonyl radical; P2 is selected from hydrido, t-butoxycarbonyl, (9H-fluoren-9-yl)methoxy-carbonyl, substituted or non-substituted benzyloxycarbonyl, substituted alkyloxycarbonyl, substituted or non-substituted alkyl, amidinyl, 1,3-bis(t-butoxy-carbonyl)amidinyl, 1,3-bis-(benzyl-oxycarbonyl)amidinyl radical; P3 is selected from hydrido, t-butoxycarbonyl, (9H-fluoren-9-yl)methoxy-carbonyl, and substituted or non-substituted benzyloxycarbonyl radical; P4 is selected from hydrido, and t-butoxycarbonyl radical; and, L2 is a linker represented by Formula V: wherein, Q1 and Qm are substituted or non-substituted methylene radical, and Qm is directly linked to the amino radical; Q2, Q3, . . . , and Qm-1 are independently selected from substituted or non-substituted methylene, oxygen, sulfur, and substituted or non-substituted amino radical; and, m is an integer from 2 to 15. |
