JPS54135796A - Preparation of ansamytocins - Google Patents

Preparation of ansamytocins

Info

Publication number
JPS54135796A
JPS54135796A JP4394678A JP4394678A JPS54135796A JP S54135796 A JPS54135796 A JP S54135796A JP 4394678 A JP4394678 A JP 4394678A JP 4394678 A JP4394678 A JP 4394678A JP S54135796 A JPS54135796 A JP S54135796A
Authority
JP
Japan
Prior art keywords
carbodiimide
formula
carboxylic acid
maytansinol
ansamytocins
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
JP4394678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6154799B2 (enExample
Inventor
Naoto Hashimoto
Toyokazu Kishi
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 JP4394678A priority Critical patent/JPS54135796A/ja
Priority to US06/021,702 priority patent/US4265814A/en
Priority to DE19792911248 priority patent/DE2911248A1/de
Priority to FR7907337A priority patent/FR2431498A1/fr
Priority to CA324,030A priority patent/CA1102798A/en
Priority to GB7910299A priority patent/GB2017101B/en
Publication of JPS54135796A publication Critical patent/JPS54135796A/ja
Publication of JPS6154799B2 publication Critical patent/JPS6154799B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
JP4394678A 1978-03-24 1978-04-13 Preparation of ansamytocins Granted JPS54135796A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP4394678A JPS54135796A (en) 1978-04-13 1978-04-13 Preparation of ansamytocins
US06/021,702 US4265814A (en) 1978-03-24 1979-03-19 Matansinol 3-n-hexadecanoate
DE19792911248 DE2911248A1 (de) 1978-03-24 1979-03-22 Herstellung von maytansinoiden und maytansinoide
FR7907337A FR2431498A1 (fr) 1978-03-24 1979-03-22 Procede de preparation de maytansinoides et produits obtenus par ce procede
CA324,030A CA1102798A (en) 1978-03-24 1979-03-23 Production of maytansinoids
GB7910299A GB2017101B (en) 1978-03-24 1979-03-23 Production of maytansinoids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4394678A JPS54135796A (en) 1978-04-13 1978-04-13 Preparation of ansamytocins

Publications (2)

Publication Number Publication Date
JPS54135796A true JPS54135796A (en) 1979-10-22
JPS6154799B2 JPS6154799B2 (enExample) 1986-11-25

Family

ID=12677862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4394678A Granted JPS54135796A (en) 1978-03-24 1978-04-13 Preparation of ansamytocins

Country Status (1)

Country Link
JP (1) JPS54135796A (enExample)

Also Published As

Publication number Publication date
JPS6154799B2 (enExample) 1986-11-25

Similar Documents

Publication Publication Date Title
JPS54119494A (en) Preparation of cephalosporin compound
JPS56131546A (en) Preparation of alkanoyloxyacetic acid
JPS5695142A (en) Preparation of aliphatic aldehyde
JPS57183768A (en) 4-methyl-5-(o-carboxyphenyl)carbamoylthiazole derivative and its preparation
JPS55104242A (en) Preparation of organic dinitrile compound
JPS57144255A (en) Alpha-methylthio(1-alkyl-2-pyrrolyl)acetamide derivative
JPS56118081A (en) Preparation of 6-methoxy-1,8-naphthyridine
JPS55153790A (en) Preparation of 7-amino-3-heterocyclic thiomethyl-delta3- cephem-4-carboxylic acid
KR850002101A (ko) 7-옥소-4-티아-1-아자비사이클로[3,2,0]헵트-엔-유도체의 제조방법
JPS53119819A (en) Substituted iso-valerianic acid and its ester
JPS5742678A (en) Preparation of 2-oxazolidinone compound
JPS579754A (en) Preparation of methylene dicarbanilate
JPS54144320A (en) Preparation of ureidomethylene malonic ester
JPS57145842A (en) Preparation of n-vinyl-substituted compound
JPS5756482A (en) Ampicillin ester and its preparation
JPS54106469A (en) Preparation of 5-aryl-hydantoin
JPS5511503A (en) Condensed heterocyclic compound
JPS5592363A (en) New 2-azetidinone derivative
JPS54115376A (en) Preparation of 5-(4-hydroxyphenyl)-hydantoin
JPS5419912A (en) Preparation of methacrylic acid
JPS5663973A (en) Novel thiadiazol-5-ylthiol ester and its preparation
JPS572257A (en) Preparation of 4-hydroxybenzylnitrile derivative
JPS5742691A (en) C-15003 phm acyl compound and its preparation
JPS57156447A (en) Ether compound and its synthesis
JPS56125357A (en) Cyclic compound and its preparation