HK31281A - 3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide and a process for its preparation - Google Patents

3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide and a process for its preparation

Info

Publication number
HK31281A
HK31281A HK312/81A HK31281A HK31281A HK 31281 A HK31281 A HK 31281A HK 312/81 A HK312/81 A HK 312/81A HK 31281 A HK31281 A HK 31281A HK 31281 A HK31281 A HK 31281A
Authority
HK
Hong Kong
Prior art keywords
benzothiazine
dihydro
oxo
dioxide
methyl
Prior art date
Application number
HK312/81A
Other languages
English (en)
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of HK31281A publication Critical patent/HK31281A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/02—1,2-Thiazines; Hydrogenated 1,2-thiazines
HK312/81A 1976-06-10 1981-07-02 3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide and a process for its preparation HK31281A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/694,572 US4100347A (en) 1976-06-10 1976-06-10 3,4-Dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide

Publications (1)

Publication Number Publication Date
HK31281A true HK31281A (en) 1981-07-10

Family

ID=24789395

Family Applications (2)

Application Number Title Priority Date Filing Date
HK312/81A HK31281A (en) 1976-06-10 1981-07-02 3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide and a process for its preparation
HK313/81A HK31381A (en) 1976-06-10 1981-07-02 Process for the preparation of n-(2-pyridyl)-and n-(2-thiazolyl)-3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxamide-1,1-dioxide and novel reactive derivatives of 3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxylic acid-11-dioxide used in same

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK313/81A HK31381A (en) 1976-06-10 1981-07-02 Process for the preparation of n-(2-pyridyl)-and n-(2-thiazolyl)-3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxamide-1,1-dioxide and novel reactive derivatives of 3,4-dihydro-2-methyl-4-oxo-2h-1,2-benzothiazine-3-carboxylic acid-11-dioxide used in same

Country Status (37)

Country Link
US (1) US4100347A (xx)
JP (1) JPS5912673B2 (xx)
AR (1) AR215006A1 (xx)
AT (1) AT356126B (xx)
AU (1) AU511643B2 (xx)
BE (1) BE855532A (xx)
BG (1) BG41307A3 (xx)
CA (1) CA1077934A (xx)
CH (1) CH634312A5 (xx)
CS (2) CS191341B2 (xx)
CY (1) CY1128A (xx)
DD (2) DD132014A5 (xx)
DE (1) DE2726175A1 (xx)
DK (1) DK147337C (xx)
EG (1) EG12644A (xx)
ES (2) ES459601A1 (xx)
FI (1) FI62297C (xx)
FR (1) FR2354325A1 (xx)
GB (2) GB1544359A (xx)
GR (1) GR66969B (xx)
HK (2) HK31281A (xx)
HU (1) HU184665B (xx)
IE (1) IE44997B1 (xx)
IL (1) IL52203A (xx)
LU (1) LU77516A1 (xx)
MY (2) MY8100274A (xx)
NL (1) NL7706338A (xx)
NO (1) NO150761C (xx)
NZ (1) NZ184249A (xx)
PH (1) PH14751A (xx)
PL (2) PL104307B1 (xx)
PT (1) PT66639B (xx)
RO (2) RO70629A (xx)
SE (1) SE442200B (xx)
SU (2) SU657747A3 (xx)
YU (1) YU39493B (xx)
ZA (1) ZA773248B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756113A1 (de) * 1977-12-16 1979-06-21 Thomae Gmbh Dr K Neue 4-hydroxy-2h-1,2-benzothiazin- 3-carboxamid-1,1-dioxide, verfahren zu ihrer herstellung und diese enthaltende arzneimittel
US4434164A (en) 1981-06-01 1984-02-28 Pfizer Inc. Crystalline benzothiazine dioxide salts
US4474955A (en) * 1981-06-17 1984-10-02 Vincenzo Iannella Process for preparing 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-[N-(2-pyridinyl)carboxamide]-1,1-dioxide, and its phosphoric ester
IN159273B (xx) * 1981-10-05 1987-04-25 Pfizer
DE3374865D1 (en) * 1982-07-07 1988-01-21 Siegfried Ag Process for preparing 4-hydroxy-2-methyl-n-2-pyridyl-2h-1,2-benzothiazine-3-carboxamide 1,1-dioxide
DE3311165A1 (de) * 1983-03-26 1984-09-27 Gödecke AG, 1000 Berlin Feinkristallines isoxicam
IT1194522B (it) * 1983-12-16 1988-09-22 Prodotti Antibiotici Spa Metodo di sintesi di derivanti benzotiazinici
US4530272A (en) * 1984-01-13 1985-07-23 International Business Machines Corporation Method for controlling contamination in a clean room
US5741798A (en) * 1996-06-03 1998-04-21 Boehringer Ingelheim Pharmaceuticals, Inc. 2-benzyl-4-sulfonyl-4H-isoquinolin-1,3-diones and their use as antiinflammatory agents

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501466A (en) * 1967-11-30 1970-03-17 Mcneilab Inc 3-carbamoyl and 3-alkoxycarbonyl benzothiazine-1,1-dioxides
US3492298A (en) * 1968-02-21 1970-01-27 Mcneilab Inc Oxazino-benzothiazine-6,6-dioxides
US3591584A (en) * 1968-08-27 1971-07-06 Pfizer Benzothiazine dioxides
US3808205A (en) * 1971-09-10 1974-04-30 Warner Lambert Co Process for the preparation of 4-hydroxy-3-carbamyl-2h-1,2-benzothiazine 1,1-dioxides and 4-hydroxy-3(2h)-1,2-benzothiazine carboxylate-1,1-dioxides
US3853862A (en) * 1973-04-23 1974-12-10 Pfizer Production of 4-hydroxy-1,2-benzothiazine-3-carboxamides
US3892740A (en) * 1974-10-15 1975-07-01 Pfizer Process for the production of carboxamides of oxo-1,2-benzothiazine-1,1-dioxides
US3991584A (en) 1975-01-31 1976-11-16 Western Gear Corporation Shock absorbing and retracting system for pipe laying vessel
US3960856A (en) * 1975-06-20 1976-06-01 Warner-Lambert Company Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2H-1,2-benzothiazine 1,1-dioxide

Also Published As

Publication number Publication date
YU39493B (en) 1984-12-31
FR2354325A1 (fr) 1978-01-06
RO77179A (ro) 1981-06-22
EG12644A (en) 1979-06-30
BG41307A3 (en) 1987-05-15
HK31381A (en) 1981-07-10
FR2354325B1 (xx) 1981-10-30
JPS52151180A (en) 1977-12-15
CS191347B2 (en) 1979-06-29
BE855532A (fr) 1977-12-09
RO70629A (ro) 1981-01-30
NZ184249A (en) 1978-11-13
DK147337B (da) 1984-06-25
NO150761B (no) 1984-09-03
SU657747A3 (ru) 1979-04-15
CA1077934A (en) 1980-05-20
AR215006A1 (es) 1979-08-31
FI771799A (xx) 1977-12-11
IE44997B1 (en) 1982-06-02
DK255577A (da) 1977-12-11
PL108606B1 (en) 1980-04-30
MY8100269A (en) 1981-12-31
ES459601A1 (es) 1978-04-01
NO771870L (no) 1977-12-13
IE44997L (en) 1977-12-10
GB1544358A (en) 1979-04-19
ATA412177A (de) 1979-09-15
GB1544359A (en) 1979-04-19
YU134877A (en) 1982-08-31
MY8100274A (en) 1981-12-31
NL7706338A (nl) 1977-12-13
CH634312A5 (de) 1983-01-31
CY1128A (en) 1982-02-19
SE7706078L (sv) 1977-12-11
GR66969B (xx) 1981-05-15
PL104307B1 (pl) 1979-08-31
AU2566677A (en) 1978-12-07
PT66639A (en) 1977-07-01
PL198768A1 (pl) 1978-04-10
FI62297B (fi) 1982-08-31
ZA773248B (en) 1978-04-26
ES462973A1 (es) 1978-06-16
DK147337C (da) 1985-01-14
PT66639B (en) 1978-11-09
JPS5912673B2 (ja) 1984-03-24
AU511643B2 (en) 1980-08-28
CS191341B2 (en) 1979-06-29
LU77516A1 (xx) 1979-01-19
PH14751A (en) 1981-11-20
DD132014A5 (de) 1978-08-16
DD137104A5 (de) 1979-08-15
SE442200B (sv) 1985-12-09
HU184665B (en) 1984-09-28
US4100347A (en) 1978-07-11
NO150761C (no) 1984-12-12
SU833159A3 (ru) 1981-05-23
DE2726175A1 (de) 1977-12-22
FI62297C (fi) 1982-12-10
AT356126B (de) 1980-04-10
IL52203A (en) 1979-11-30
IL52203A0 (en) 1977-07-31

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