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Inventor: Nishimura; Osamu
Address: Toyonaka, JP
No. of patents: 5
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4487726 |
4-Methoxy-2,3,6-trimethylbenzenesulfonyl chloride |
December 11, 1984 |
| A guanidino group in an amino acid or a peptide can be protected with a specific group, i.e. pentamethylbenzenesulfonyl, 2,4,6-trimethoxybenzenesulfonyl, 4-methoxy-2,3,5,6-tetramethylbenzenesulfonyl, 4-methoxy-2,6-dimethylbenzenesulfonyl or 4-methoxy-2,3,6-trimethylbenzenesulfony |
| 4368150 |
Method for protecting guanidino group and restoring the same |
January 11, 1983 |
| A guanidino group in an amino acid or a peptide can be protected with a specific group, i.e. pentamethylbenzensulfonyl, 2,4,6-trimethoxybenzenesulfonyl, 4-methoxy-2,3,5,6-tetramethylbenzenesulfonyl, 4-methoxy-2,6-dimethylbenzenesulfonyl or 4-methoxy-2,3,6-trimethylbenzenesulfonyl |
| 4229438 |
Nonapeptides |
October 21, 1980 |
| Novel nonapeptides of the formula:wherein X is Ala or (D)-Ala; Y and Z are the same or different and each is the residue of a D-amino acid containing 3 to 9 carbon atoms, or Gly; and at least one of X, Y and Z is the residue of D-amino acid, have immunoregulator activity and are of value |
| 4111924 |
Method for removal of thiol-protecting groups |
September 5, 1978 |
| A novel method for removal of protective group(s) from an amino acid or peptide having thiol group(s) protected with p-methoxybenzyl, 1-adamantyl or t-butyl group by treating the protected amino acid or peptide with the mercuric salt of acetic acid or halogenoacetic acid, the removal bei |
| 4100152 |
Peptides |
July 11, 1978 |
| A novel peptide of the formula: ##STR1## wherein A is hydrogen, alkyl, aralkyl, alkoxyalkyl, hydroxyalkyl or alkoxy; R is ##STR2## X is --S-- or --(CH.sub.2).sub.n -- where n is 1 or 2 has a weaker TRH releasing activity than TRH and a stronger anaesthesia-antagonistic ac |
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