CA1181749A - Procede de preparation du 2-methoxyethyl 4-hydroxy-2- methyl-2h-1,2-benzothiazine-3-carboxylate 1,1- dioxyde - Google Patents

Procede de preparation du 2-methoxyethyl 4-hydroxy-2- methyl-2h-1,2-benzothiazine-3-carboxylate 1,1- dioxyde

Info

Publication number
CA1181749A
CA1181749A CA000445578A CA445578A CA1181749A CA 1181749 A CA1181749 A CA 1181749A CA 000445578 A CA000445578 A CA 000445578A CA 445578 A CA445578 A CA 445578A CA 1181749 A CA1181749 A CA 1181749A
Authority
CA
Canada
Prior art keywords
methoxyethyl
dioxide
methyl
benzothiazine
hydroxy
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
CA000445578A
Other languages
English (en)
Inventor
Joseph G. Lombardino
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 US06/191,716 external-priority patent/US4289879A/en
Application filed by Pfizer Inc filed Critical Pfizer Inc
Priority to CA000445578A priority Critical patent/CA1181749A/fr
Application granted granted Critical
Publication of CA1181749A publication Critical patent/CA1181749A/fr
Expired legal-status Critical Current

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  • Plural Heterocyclic Compounds (AREA)
CA000445578A 1980-09-29 1984-01-18 Procede de preparation du 2-methoxyethyl 4-hydroxy-2- methyl-2h-1,2-benzothiazine-3-carboxylate 1,1- dioxyde Expired CA1181749A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000445578A CA1181749A (fr) 1980-09-29 1984-01-18 Procede de preparation du 2-methoxyethyl 4-hydroxy-2- methyl-2h-1,2-benzothiazine-3-carboxylate 1,1- dioxyde

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US191,716 1980-09-29
US06/191,716 US4289879A (en) 1980-09-29 1980-09-29 Synthetic method and intermediate for piroxicam
CA000386690A CA1171413A (fr) 1980-09-29 1981-09-25 Methode de synthese du piroxicam
CA000445578A CA1181749A (fr) 1980-09-29 1984-01-18 Procede de preparation du 2-methoxyethyl 4-hydroxy-2- methyl-2h-1,2-benzothiazine-3-carboxylate 1,1- dioxyde

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000386690A Division CA1171413A (fr) 1980-09-29 1981-09-25 Methode de synthese du piroxicam

Publications (1)

Publication Number Publication Date
CA1181749A true CA1181749A (fr) 1985-01-29

Family

ID=27167143

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000445578A Expired CA1181749A (fr) 1980-09-29 1984-01-18 Procede de preparation du 2-methoxyethyl 4-hydroxy-2- methyl-2h-1,2-benzothiazine-3-carboxylate 1,1- dioxyde

Country Status (1)

Country Link
CA (1) CA1181749A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry