JPS5318574A - Preparation of chromone derivatives - Google Patents

Preparation of chromone derivatives

Info

Publication number
JPS5318574A
JPS5318574A JP9271176A JP9271176A JPS5318574A JP S5318574 A JPS5318574 A JP S5318574A JP 9271176 A JP9271176 A JP 9271176A JP 9271176 A JP9271176 A JP 9271176A JP S5318574 A JPS5318574 A JP S5318574A
Authority
JP
Japan
Prior art keywords
preparation
chromone derivatives
chromone
derivatives
allergodermia
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
JP9271176A
Other languages
Japanese (ja)
Inventor
Akira Nohara
Toshihiro Ishiguro
Kiyoshi Ugawa
Takeshi Kato
Yoichi Sawa
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 JP9271176A priority Critical patent/JPS5318574A/en
Publication of JPS5318574A publication Critical patent/JPS5318574A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prepare chromone derivatives, useful as potent against allergic asthma, allergodermia, hay fever, etc., without using dangerous hydrogen azide from tetrazole-4-hydroxycoumarin.
COPYRIGHT: (C)1978,JPO&Japio
JP9271176A 1976-08-02 1976-08-02 Preparation of chromone derivatives Pending JPS5318574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9271176A JPS5318574A (en) 1976-08-02 1976-08-02 Preparation of chromone derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9271176A JPS5318574A (en) 1976-08-02 1976-08-02 Preparation of chromone derivatives

Publications (1)

Publication Number Publication Date
JPS5318574A true JPS5318574A (en) 1978-02-20

Family

ID=14062039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9271176A Pending JPS5318574A (en) 1976-08-02 1976-08-02 Preparation of chromone derivatives

Country Status (1)

Country Link
JP (1) JPS5318574A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103096U (en) * 1981-12-29 1983-07-13 株式会社河合楽器製作所 guitar bone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103096U (en) * 1981-12-29 1983-07-13 株式会社河合楽器製作所 guitar bone

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