JPS53130495A - Antibiotic substance c-15003 - Google Patents

Antibiotic substance c-15003

Info

Publication number
JPS53130495A
JPS53130495A JP3788677A JP3788677A JPS53130495A JP S53130495 A JPS53130495 A JP S53130495A JP 3788677 A JP3788677 A JP 3788677A JP 3788677 A JP3788677 A JP 3788677A JP S53130495 A JPS53130495 A JP S53130495A
Authority
JP
Japan
Prior art keywords
antibiotic substance
substance
antibiotic
formula
biotic
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.)
Pending
Application number
JP3788677A
Other languages
Japanese (ja)
Inventor
Eiji Higashide
Mitsuko Asai
Seiichi Tanida
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
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to JP3788677A priority Critical patent/JPS53130495A/en
Priority to US05/811,448 priority patent/US4162940A/en
Publication of JPS53130495A publication Critical patent/JPS53130495A/en
Priority to US05/972,492 priority patent/US4225494A/en
Priority to US06/131,787 priority patent/US4320200A/en
Priority to US06/313,974 priority patent/US4360462A/en
Pending legal-status Critical Current

Links

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  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

PURPOSE: Anti-biotic substance C-15003 of the formula I(R is a, b, or -CO-CH2-CH2-CH3).
COPYRIGHT: (C)1978,JPO&Japio
JP3788677A 1977-03-31 1977-04-01 Antibiotic substance c-15003 Pending JPS53130495A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3788677A JPS53130495A (en) 1977-04-01 1977-04-01 Antibiotic substance c-15003
US05/811,448 US4162940A (en) 1977-03-31 1977-06-29 Method for producing Antibiotic C-15003 by culturing nocardia
US05/972,492 US4225494A (en) 1977-03-31 1978-12-22 Maytansinol esters
US06/131,787 US4320200A (en) 1977-03-31 1980-03-19 Antibiotic
US06/313,974 US4360462A (en) 1977-03-31 1981-10-22 Process for preparing maytansinol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3788677A JPS53130495A (en) 1977-04-01 1977-04-01 Antibiotic substance c-15003

Publications (1)

Publication Number Publication Date
JPS53130495A true JPS53130495A (en) 1978-11-14

Family

ID=12510011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3788677A Pending JPS53130495A (en) 1977-03-31 1977-04-01 Antibiotic substance c-15003

Country Status (1)

Country Link
JP (1) JPS53130495A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008526267A (en) * 2005-01-19 2008-07-24 イミュノジェン・インコーポレーテッド Method for producing ansamitocin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008526267A (en) * 2005-01-19 2008-07-24 イミュノジェン・インコーポレーテッド Method for producing ansamitocin

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