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Class 530/328 - 8 to 10 amino acid residues in defined sequence


Subclass of Class 530 - Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
Definition: Compounds comprising from 8 to 10 amino acid residues of
No. of patents: 2229
Last issue date: 05/14/2013


                    56  
NumberTitleIssue Date
4101537Octapeptides and methods for their production
New octapeptides having the formula X-R1 -Trp-Ser(benzyl)-Tyr(benzyl)-R2 -Leu-Arg(R)-Pro-R3 -Y wherein X is a protective group, R is hydrogen or a protective group, R1 is a single bond, Gln, D-Leu or D-Val, R
07/18/1978
4098777Process for the preparation of pyroglutamyl-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn
This invention is directed to the chemical process for the preparation of the polypeptide, pyroglutamyl-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn and to intermediates in said process. The polypeptide prepared by the present process is useful in the treatment of aut...
07/04/1978
4093611Octapeptides and methods for their production
New octapeptides having the formula X-R-Pro-His(benzyl)-His(benzyl)-R1 -Trp-D-Ala-Y wherein X is a protective group, R is Pro or Gln; R1 is Tyr(benzyl)-Ser(benzyl) or Ser(benzyl)-Pro and Y is lower alkoxy, amino, lower alkylamino or ...
06/06/1978
4089821Synthesis of peptide amides
Peptide amides having biological activity and resin peptide amides useful in the preparation of peptides having biological activity, particularly such peptides containing the structure ##STR1## in which R is divinylbenzene crosslinked polystyrene and...
05/16/1978
4086219Nonapeptides and methods for their production
New nonapeptides having the formula Prot Grp-R-Trp-Ser-Tyr-R2 -Leu-Arg-Pro-Gly-R3 ; salts thereof; wherein R is Gln, Gln (bzl), His (bzl), Ser (bzl), Pro, Leu, Tyr (bzl), Ile, Cys (bzl) or Phe, R2 is D-Phe, D-Ala, D-Leu, D...
04/25/1978
4075192Nonapeptides and methods for their production
New nonapeptides having the formula pGlu-D-Phe-Trp-Tyr(benzyl)-Ser(benzyl)-D-Ala-Leu-Orn-Pro-Y and Y is amino, lower alkylamino or di(lower alkyl)amino....
02/21/1978
4046633Direct renin assay system and method
An assay system and method for the direct determination of the enzymatic activity of the enzyme renin in a biological sample. An enzyme specific octopeptide is incorporated into substrate which is immobilized at one end on an insoluble carrier and is tagg...
09/06/1977
4038282Pyridyl-4-methyl-succinimidocarbonate and process for its preparation
The disclosed invention relates to &3xb5;-N-pyridyl-4-methyloxycarbonyllysine valuable in the synthesis of lysine containing peptides to the process of preparing this compound starting with 4-pyridyl-carbinol and succinimido-chloroformate and to the ...
07/26/1977
4013791Peptides having an antihypertensive effect
Novel peptide derivatives and a method of preparing the same are described. These compounds are useful in the diagnosis and treatment of hypertension....
03/22/1977
4010149Analogs of LH-RH and process for preparing the same
Peptides having the formula N-Acetyl-N-methylglycyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-Y-L-leucy l-L-arginyl-L-prolyl-Z wherein Y is a D-଱-alkylglycine residue of the formula ##STR1## in which n is an integer of 0 through 3 inclusive and Z is ...
03/01/1977
4008209Nonapeptide amide analogs of luteinizing releasing hormone
The novel nonapeptide amide derivatives of the formula wherein R1 is Tyr or Phe; R2 is D-Leu, D-Ile, D-Nle, D-Val, D-NVa, D-Abu, ଱-Aibu, D-Phe, D-Phg, D-Ser, D-Thr or D-Met; R3 is Leu, Ile or Nle and R4 is alky...
02/15/1977
4001199Novel polypeptides useful for treating diabetes and hypercholesteremia
Novel polypeptides of the formula wherein R1 is hydrogen, or a basic or neutral amino acid residue, R2 is a neutral amino acid residue and R3 is NH2, Tyr--NH2, a residue of tyrosyl peptides consisting of 1...
01/04/1977
3998799Novel, transient pro-drug forms of L-DOPA
There is provided, novel, transient pro-drug forms of L-DOPA (3,4-dihydroxy-L-phenylalanine), having the formula: ##STR1## wherein n represents an integer of from 2 to 50 with respect to formula (V-A), and wherein n represents an integer of from 1 to...
12/21/1976
3992365Agonist analogues of luteinizing hormone releasing hormone
Novel peptide compounds of the formula are provided together with their acid addition salts and their complexes with pharmaceutically acceptable metals. The compounds are LH-RH analogues and together with their salts and complexes exhibit LH-RH agonist ac...
11/16/1976
397803513-Norleucine-14-desamido motilin, a method for preparing it and an agent containing it
The specification describes the total synthesis of L-norleucine-13-motilin ased on the replacement of the L-methionine radical located in the 13-position by an L-norleucine radical. In accordance with the present day development of peptide synthesis the ce...
08/31/1976
3975365Inhibitory octapeptides angiotensin II
Octapeptide derivatives characterized by an oxygen or sulfur-containing moiety in the C-terminal position are potent inhibitors of the pharmacological effects of Angiotensin and possess the additional advantage of a favorable antagonist/agonist ratio....
08/17/1976
3974135Synthetic decapeptide having the activity of the luteinizing hormone releasing hormone and method for producing the same
A synthetic decapeptide, L-pglutamyl-L-histidyl-L-tryptophanyl-L-seryl-L-tyrosyl-glycyl-L-leucyl-L- arginyl-L-prolyl-glycinamide having the hormonal activity of the luteinizing hormone releasing hormone (LRH) of the hypothalamus gland of mammals is pr...
08/10/1976
3972859Novel decapeptide amide analogs of leuteinizing hormone-releasing hormone
The novel decapeptide amide derivatives of the formula wherein R1 is Tyr or Phe; R2 is D-Nle, D-Nva, D-Abu, D-Phe, D-Ser, D-Thr or D-Met and R3 is Leu, Ile or Nle have a strong ovulation inducing activity....
08/03/1976
3960828Catalytic hydrogenolysis of protected sulfur containing peptides
The use of catalytic hydrogenolysis to selectively deblock protected moieties in sulfur containing compounds has not been a practical process due to poisoning of the catalyst by the sulfur compound. It has now been found that catalytic hydrogenolysis of s...
06/01/1976
3953416Synthetic decapeptide having the activity of the luteinizing hormone releasing hormone and method for manufacturing the same
A synthetic decapeptide, L-pglutamyl-L-histidyl-L-tryptophanyl-L-seryl-L-tyrosyl-glycyl-L-leucyl-L- arginyl-L-prolyl-glycinamide which has the hormonal activities of the luteinizing hormone releasing hormone (LRH) of the hypothalamus gland of mammals ...
04/27/1976
3947575Peptides as argiotensin converting enzyme inhibitors
Disclosed herein is a process for the utilization of certain peptides as angiotensin converting enzyme inhibitors....
03/30/1976
3937695P-Glu-Trp-Ser-Tyr-D-Lys-Leu-Arg-Pro-Gly-NH2 and intermediates
D-Lys6 -des-His2 -LRF, is described as well as its synthesis by solid phase techniques and novel intermediates formed by such synthesis. The novel nonapeptide exhibits anti-ovulatory activity in mammals....
02/10/1976
3933782(N-Acetyl)-Pro-D-Phe-Trp-Ser-Tyr-D-Ala-Leu-Arg-Pro-NHEt and intermediates
(N-Acetyl)-Pro-D-Phe-Trp-Ser-Tyr-D-Ala-Leu-Arg-Pro-NHEt, is described as well as its synthesis by solid phase techniques and novel intermediates formed by such synthesis. The novel non-apeptide exhibits and anti-ovulatory activity in mammals....
01/20/1976
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