JPH0160036B

NEW MATERIAL:The peptide of formulaI(R is H, H-Phe, H-Leu-Gly-Phe-, H- Tyr-Asn-Leu-Leu-Gly-Phe-, or H-Met-Ser-Tyr-Asn-Leu-Leu-Gly-Phe-). USE:Hapten to immunogen. PROCESS:The peptide of formula IV is obtained by the peptide-condensation reaction of the peptide of formula II (A is amino-protecting gro...

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Hauptverfasser:	SHIMIZU FUMIO, IMAGAWA KENICHI, OOMOTO YASUKAZU
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES HYGIENE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PEPTIDES PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPIRITS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	NEW MATERIAL:The peptide of formulaI(R is H, H-Phe, H-Leu-Gly-Phe-, H- Tyr-Asn-Leu-Leu-Gly-Phe-, or H-Met-Ser-Tyr-Asn-Leu-Leu-Gly-Phe-). USE:Hapten to immunogen. PROCESS:The peptide of formula IV is obtained by the peptide-condensation reaction of the peptide of formula II (A is amino-protecting group; B is OH or active group of carboxyl) with the compound of formula III (C is guanidino- protecting group of arginine) in the presence of a solvent such as DMSO, at -40-+60 deg.C, preferably -20-+40 deg.C. The obtained peptide is reduced with metallic sodium in liquid ammonia at -40--70 deg.C, and the protecting groups A and C are eliminated to obtain the objective peptide of formulaIwherein R is H. The amount of the metallic sodium is adjusted to develop the reaction solution is permanent blue color for 0.5-10min.