JPS6213959B2 - - Google Patents

Info

Publication number
JPS6213959B2
JPS6213959B2 JP54119959A JP11995979A JPS6213959B2 JP S6213959 B2 JPS6213959 B2 JP S6213959B2 JP 54119959 A JP54119959 A JP 54119959A JP 11995979 A JP11995979 A JP 11995979A JP S6213959 B2 JPS6213959 B2 JP S6213959B2
Authority
JP
Japan
Prior art keywords
compound
group
demethylmaytansinoid
silica gel
reaction
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.)
Expired
Application number
JP54119959A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55118490A (en
Inventor
Mitsuko Asai
Kazuo Nakahama
Mikio Izawa
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries 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
Priority claimed from GR58533A external-priority patent/GR63147B/el
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to US06/153,522 priority Critical patent/US4307016A/en
Publication of JPS55118490A publication Critical patent/JPS55118490A/ja
Priority to US06/290,943 priority patent/US4361650A/en
Publication of JPS6213959B2 publication Critical patent/JPS6213959B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
JP11995979A 1978-03-24 1979-09-17 Demethylmaytansinoid compound and its preparation Granted JPS55118490A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US06/153,522 US4307016A (en) 1978-03-24 1980-05-27 Demethyl maytansinoids
US06/290,943 US4361650A (en) 1978-03-24 1981-08-07 Fermentation process of preparing demethyl maytansinoids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR58533A GR63147B (en) 1978-03-24 1979-03-07 Preparation process of demethyl maytansinoids

Publications (2)

Publication Number Publication Date
JPS55118490A JPS55118490A (en) 1980-09-11
JPS6213959B2 true JPS6213959B2 (enrdf_load_stackoverflow) 1987-03-30

Family

ID=10930258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11995979A Granted JPS55118490A (en) 1978-03-24 1979-09-17 Demethylmaytansinoid compound and its preparation

Country Status (1)

Country Link
JP (1) JPS55118490A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110093295B (zh) * 2019-05-15 2022-08-30 湖南师范大学 一株抗鱼类病原菌的黄三素链霉菌及其应用

Also Published As

Publication number Publication date
JPS55118490A (en) 1980-09-11

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