Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
50 words
A compound of the formula: ##STR1## wherein (X) is a solid-phase peptide synthesis stable protecting group; R is an amino acid side chain having a functional group; and one of P 1 and P 2 is a peptide, and the other is a solid support with or without a spacer.
Claim 2
Dependent Claim
50 words
A compound of the formula: ##STR1## wherein (X) is a solid-phase peptide synthesis stable protecting group; R is an amino acid side chain having a functional group; and one of P 1 and P 2 is a peptide, and the other is a solid support with or without a spacer.
Claim 3
Dependent Claim
12 words
The compound of claim 1, wherein P 2 is a solid support.
Claim 4
Dependent Claim
10 words
The compound of claim 2, wherein said formula is: ##STR2##
Claim 5
Dependent Claim
10 words
The compound of claim 1, wherein said formula is: ##STR3##
Claim 6
Dependent Claim
14 words
The compound of claim 1, wherein said spacer is CH 2 CH 2 NH.
Claim 7
Dependent Claim
6 words
A compound of the formula: ##STR4##
Claim 8
Dependent Claim
6 words
A compound of the formula: ##STR4##
Claim 9
Independent Claim
117 words
A method for preparing a derivatized peptide, said method comprising: (i) providing a support of the formula: ##STR5## wherein (X) is a solid-phase peptide synthesis stable protecting group, and n is 0 or 1; (ii) coupling a protected amino acid to the free NH 2 to provide a protected oligopeptide; (iii) deprotecting the protected oligopeptide to provide a new free NH 2 ; (iv) coupling a protected amino acid to the new free NH 2 to provide a new protected oligopeptide; (v) repeating steps (iii) and (iv) until the desired peptide sequence is obtained; (vi) removing (X) to provide a deprotected amine; and (vii) treating said deprotected amine with a mild base to yield a diketopiperazine terminus.
Claim 10
Independent Claim
117 words
A method for preparing a derivatized peptide, said method comprising: (i) providing a support of the formula: ##STR5## wherein (X) is a solid-phase peptide synthesis stable protecting group, and n is 0 or 1; (ii) coupling a protected amino acid to the free NH 2 to provide a protected oligopeptide; (iii) deprotecting the protected oligopeptide to provide a new free NH 2 ; (iv) coupling a protected amino acid to the new free NH 2 to provide a new protected oligopeptide; (v) repeating steps (iii) and (iv) until the desired peptide sequence is obtained; (vi) removing (X) to provide a deprotected amine; and (vii) treating said deprotected amine with a mild base to yield a diketopiperazine terminus.
Claim 11
Dependent Claim
25 words
The method of claim 7, wherein said spacer is selected from the group consisting of N-acetyl serine, glycolic acid, lactic acid, and p-(hydroxymethyl) benzoic acid.
Claim 12
Independent Claim
129 words
A method for preparing a derivatized peptide, said method comprising: (i) providing a support of the formula: ##STR6## wherein (X) is a protecting group, n is 0 or 1, and y is 0 or an integer of from 2 to 6 inclusive; (ii) coupling a protected amino acid to the free NH 2 to provide a protected oligopeptide; (iii) deprotecting the protected oligopeptide to provide a new free NH 2 ; (iv) coupling a protected amino acid to the new free NH 2 to provide a new protected oligopeptide; (v) repeating steps (iii) and (iv) until the desired peptide sequence is obtained; (vi) removing (X) to provide a deprotected amine; and (vii) treating said deprotected amine with a mild base to yield an --NH--(CH 2 ) y --OH terminus.
Claim 13
Independent Claim
129 words
A method for preparing a derivatized peptide, said method comprising: (i) providing a support of the formula: ##STR6## wherein (X) is a protecting group, n is 0 or 1, and y is 0 or an integer of from 2 to 6 inclusive; (ii) coupling a protected amino acid to the free NH 2 to provide a protected oligopeptide; (iii) deprotecting the protected oligopeptide to provide a new free NH 2 ; (iv) coupling a protected amino acid to the new free NH 2 to provide a new protected oligopeptide; (v) repeating steps (iii) and (iv) until the desired peptide sequence is obtained; (vi) removing (X) to provide a deprotected amine; and (vii) treating said deprotected amine with a mild base to yield an --NH--(CH 2 ) y --OH terminus.