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JPS57183778A - S-(3-phthalidyl)-l-cysteine and its preparation - Google Patents

S-(3-phthalidyl)-l-cysteine and its preparation

Info

Publication number
JPS57183778A
JPS57183778A JP6660281A JP6660281A JPS57183778A JP S57183778 A JPS57183778 A JP S57183778A JP 6660281 A JP6660281 A JP 6660281A JP 6660281 A JP6660281 A JP 6660281A JP S57183778 A JPS57183778 A JP S57183778A
Authority
JP
Japan
Prior art keywords
cysteine
phthalidyl
preparation
formula
formulaican
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
JP6660281A
Other languages
Japanese (ja)
Other versions
JPH0260677B2 (en
Inventor
Hiroaki Taguchi
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.)
Nippon Synthetic Chemical Industry Co Ltd
Original Assignee
Nippon Synthetic Chemical Industry 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 Nippon Synthetic Chemical Industry Co Ltd filed Critical Nippon Synthetic Chemical Industry Co Ltd
Priority to JP6660281A priority Critical patent/JPS57183778A/en
Publication of JPS57183778A publication Critical patent/JPS57183778A/en
Publication of JPH0260677B2 publication Critical patent/JPH0260677B2/ja
Granted legal-status Critical Current

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Abstract

NEW MATERIAL:S-(3-Phthalidyl)-L-cysteine of formulaI.
USE: A drug intermediate such as modifying agent for antibiotic substances.
PROCESS: The compound of formulaIcan be prepared in high yield, by reacting the bromophthalide of formula II with L-cysteine of formula III in a medium such as methanol, ethanol, water, their mixture, etc., in the presence of an organic base containing tertiary nitrogen atom, preferably pyridine, trialkylamine, etc.
COPYRIGHT: (C)1982,JPO&Japio
JP6660281A 1981-04-30 1981-04-30 S-(3-phthalidyl)-l-cysteine and its preparation Granted JPS57183778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6660281A JPS57183778A (en) 1981-04-30 1981-04-30 S-(3-phthalidyl)-l-cysteine and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6660281A JPS57183778A (en) 1981-04-30 1981-04-30 S-(3-phthalidyl)-l-cysteine and its preparation

Publications (2)

Publication Number Publication Date
JPS57183778A true JPS57183778A (en) 1982-11-12
JPH0260677B2 JPH0260677B2 (en) 1990-12-17

Family

ID=13320620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6660281A Granted JPS57183778A (en) 1981-04-30 1981-04-30 S-(3-phthalidyl)-l-cysteine and its preparation

Country Status (1)

Country Link
JP (1) JPS57183778A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613613A (en) * 1983-09-13 1986-09-23 Mitsubishi Yuka Pharmaceutical Co., Ltd. γ-butyrolactone derivatives, process for preparing the same and immunomodulating compositions containing the same as active ingredients

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572252A (en) * 1980-04-21 1982-01-07 Merck & Co Inc Novel precursor drug of biological activator containing mercapto group

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572252A (en) * 1980-04-21 1982-01-07 Merck & Co Inc Novel precursor drug of biological activator containing mercapto group

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613613A (en) * 1983-09-13 1986-09-23 Mitsubishi Yuka Pharmaceutical Co., Ltd. γ-butyrolactone derivatives, process for preparing the same and immunomodulating compositions containing the same as active ingredients

Also Published As

Publication number Publication date
JPH0260677B2 (en) 1990-12-17

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