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JPS5697254A - Novel peptide, pharmaceutically acceptable salt thereof and its preparation - Google Patents

Novel peptide, pharmaceutically acceptable salt thereof and its preparation

Info

Publication number
JPS5697254A
JPS5697254A JP14088380A JP14088380A JPS5697254A JP S5697254 A JPS5697254 A JP S5697254A JP 14088380 A JP14088380 A JP 14088380A JP 14088380 A JP14088380 A JP 14088380A JP S5697254 A JPS5697254 A JP S5697254A
Authority
JP
Japan
Prior art keywords
compound
formula
salt
optionally protected
protected carboxyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14088380A
Other languages
Japanese (ja)
Other versions
JPH0331703B2 (en
Inventor
Shinji Hashimoto
Yoshihiko Kitaura
Osamu Nakaguchi
Keiji Henmi
Matsuhiko Araya
Shuichi Takeno
Tatsu Okada
Hirokazu Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujisawa Pharmaceutical Co Ltd
Original Assignee
Fujisawa Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Publication of JPS5697254A publication Critical patent/JPS5697254A/en
Publication of JPH0331703B2 publication Critical patent/JPH0331703B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

NEW MATERIAL:A peptide of formula I [R1 is H or acyl; R2 is optionally protected carboxyl or -CONH-Ra a [Ra 2 is optionally protected carboxy(lower)alkyl]; R3 is optionally protected carboxyl, lower alkyl, etc.; RP is optionally protected carboxyl, carbamoyl, etc.; l is 0 or an integer 2; m is an integer 1W3; n is 0 or 1] and a pharmaceutical salt thereof.
EXAMPLE: The compound of formula IV.
USE: A remedy for infectious diseases having an immune response enhancing action, a stimulating action on the reticuloendothelial system, a juvenizing activity and an infection protecting effect.
PROCESS: A compound of formula II (R1P is protected carboxyl, carbamoyl, etc.) or a salt thereof is reacted with compound of formula III (Rc 3 is a part of R3) or a salt thereof to give a compound of formula Ia or a salt thereof, which is subjected to the removal of the protecting groups and acylated if necessary to afford the desired compound.
COPYRIGHT: (C)1981,JPO&Japio
JP14088380A 1979-10-11 1980-10-07 Novel peptide, pharmaceutically acceptable salt thereof and its preparation Granted JPS5697254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7935401 1979-10-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2095412A Division JPH0613552B2 (en) 1979-10-11 1990-04-10 Novel peptide, pharmaceutically acceptable salt thereof, and production method thereof

Publications (2)

Publication Number Publication Date
JPS5697254A true JPS5697254A (en) 1981-08-05
JPH0331703B2 JPH0331703B2 (en) 1991-05-08

Family

ID=10508444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14088380A Granted JPS5697254A (en) 1979-10-11 1980-10-07 Novel peptide, pharmaceutically acceptable salt thereof and its preparation

Country Status (1)

Country Link
JP (1) JPS5697254A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106279A (en) * 1979-02-08 1980-08-14 Dow Corning Primer composition

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106279A (en) * 1979-02-08 1980-08-14 Dow Corning Primer composition

Also Published As

Publication number Publication date
JPH0331703B2 (en) 1991-05-08

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