JPS5473798A - Novel 1,3-oxazino (5,6-c) rifamycin derivative - Google Patents

Novel 1,3-oxazino (5,6-c) rifamycin derivative

Info

Publication number
JPS5473798A
JPS5473798A JP13767877A JP13767877A JPS5473798A JP S5473798 A JPS5473798 A JP S5473798A JP 13767877 A JP13767877 A JP 13767877A JP 13767877 A JP13767877 A JP 13767877A JP S5473798 A JPS5473798 A JP S5473798A
Authority
JP
Japan
Prior art keywords
oxazino
formula
rifamycin
derivative
novel
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
JP13767877A
Other languages
Japanese (ja)
Inventor
Goro Tsukamoto
Masahiro Taguchi
Norio Aikawa
Tsuneo Kawashima
Isamu Uchiumi
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.)
Kanebo Ltd
Original Assignee
Kanebo 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 Kanebo Ltd filed Critical Kanebo Ltd
Priority to JP13767877A priority Critical patent/JPS5473798A/en
Publication of JPS5473798A publication Critical patent/JPS5473798A/en
Pending legal-status Critical Current

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  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

NEW MATERIAL:An 1,3-oxazino (5,6-C) rifamycin derivative of formula I: (R is ≥7C alkyl, cycloalkyl, or hydroxyalkyl group).
EXAMPLE: N-n-Octyl-1,3-oxazino (5,6-C) Rifamycin.
USE: Effective antibiotics and useful as an intermediate for preparation of 3-iminomethyl derivative of Rifamycin SV, particularly Rifampicin.
PROCESS: 3-Formylrifamycin SV of formula II is reacted with formaldehyde and a primary amine of formula III in an inert organic solvent at room temperature to the boiling point of the solvent for 0.5W10 hr to give the objective substance of formula I.
COPYRIGHT: (C)1979,JPO&Japio
JP13767877A 1977-11-15 1977-11-15 Novel 1,3-oxazino (5,6-c) rifamycin derivative Pending JPS5473798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13767877A JPS5473798A (en) 1977-11-15 1977-11-15 Novel 1,3-oxazino (5,6-c) rifamycin derivative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13767877A JPS5473798A (en) 1977-11-15 1977-11-15 Novel 1,3-oxazino (5,6-c) rifamycin derivative

Publications (1)

Publication Number Publication Date
JPS5473798A true JPS5473798A (en) 1979-06-13

Family

ID=15204249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13767877A Pending JPS5473798A (en) 1977-11-15 1977-11-15 Novel 1,3-oxazino (5,6-c) rifamycin derivative

Country Status (1)

Country Link
JP (1) JPS5473798A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5042021A (en) * 1973-07-25 1975-04-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5042021A (en) * 1973-07-25 1975-04-16

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