GB992166A - New 5-nitro-furfurylidene derivatives - Google Patents
New 5-nitro-furfurylidene derivativesInfo
- Publication number
- GB992166A GB992166A GB45619/63A GB4561963A GB992166A GB 992166 A GB992166 A GB 992166A GB 45619/63 A GB45619/63 A GB 45619/63A GB 4561963 A GB4561963 A GB 4561963A GB 992166 A GB992166 A GB 992166A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reacting
- dioxide
- methyl
- nitro
- oxathiane
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/70—Nitro radicals
- C07D307/71—Nitro radicals attached in position 5
- C07D307/72—Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2
- C07D307/74—Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2 by hydrazino or hydrazono or such substituted radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
- C07D327/02—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms one oxygen atom and one sulfur atom
- C07D327/06—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention comprises compounds of the formula <FORM:0992166/C2/1> wherein R represents a hydrogen atom or from 1 to 4 alkyl radicals, each containing up to 4 carbon atoms; and a process for their preparation comprising reacting a 4-amino-tetrahydro-1,4-thiazine-1,1-dioxide with 5-nitro-furfural, the reaction preferably being carried out in an organic solvent medium in which both starting components are soluble and in which the desired end product is insoluble. 4 - Amino - 3 - methyl - tetrahydro - 1,4 - thiazine-1,1-dioxide is prepared by reacting 2-mercapto-ethanol with propylene oxide in the presence of KOH, distilling the resulting 2 - hydroxyethyl - 2 - hydroxypropyl sulphide over p-toluene sulphonic acid or KHSO4 at atmospheric pressure to produce 2-methyl-1,4-oxathiane, oxidizing this compound with H2O2 in acetic acid, and reacting the thus obtained 2 - methyl - 1,4 - oxathiane - 4,4 - dioxide with excess hydrazine. The corresponding 2-ethyl compound is prepared in an analogous manner. Specification 889,068 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF38378A DE1170957B (en) | 1962-11-23 | 1962-11-23 | Process for the preparation of 5-nitro-furfurylidene- (2) -imino derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
GB992166A true GB992166A (en) | 1965-05-19 |
Family
ID=7097312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB45619/63A Expired GB992166A (en) | 1962-11-23 | 1963-11-19 | New 5-nitro-furfurylidene derivatives |
Country Status (7)
Country | Link |
---|---|
US (1) | US3262930A (en) |
AT (1) | AT241450B (en) |
BR (1) | BR6354789D0 (en) |
CH (1) | CH426830A (en) |
DE (1) | DE1170957B (en) |
FR (1) | FR3257M (en) |
GB (1) | GB992166A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1670657C3 (en) * | 1966-01-05 | 1975-01-23 | Bayer Ag, 5090 Leverkusen | 4-square bracket to 5-NHrofurfuryliden- (2 ') - lmino square bracket to -tetrahydro-M-thlazln-i.i-dioxld-Derhrate and process for their production |
DE1670840A1 (en) * | 1967-03-31 | 1971-03-11 | Bayer Ag | Process for the preparation of tetra-hydro-1,4-thiazine-1,1-dioxides |
DE2020298A1 (en) * | 1970-04-25 | 1971-11-11 | Bayer Ag | 4- (5'-Nitrofurfurylidene-amino) -octahydro-4H-1,4-benz-thiazine-1,1-dioxide, a process for its preparation and its use as a medicine |
US8406309B2 (en) | 2005-10-21 | 2013-03-26 | Qualcomm Incorporated | Video rate adaptation to reverse link conditions |
DE102008031284A1 (en) * | 2008-07-02 | 2010-01-07 | Bayer Schering Pharma Aktiengesellschaft | New control possibility of Giardiose |
DE102008031283A1 (en) * | 2008-07-02 | 2010-01-07 | Bayer Schering Pharma Aktiengesellschaft | New possibility of combating diseases caused by trichomonadida |
EP3750527A1 (en) | 2019-06-13 | 2020-12-16 | Bayer AG | Stable tablet formulation of nifurtimox and process for producing the same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3001992A (en) * | 1961-09-26 | S-niteo-z-fubftjewdene |
-
1962
- 1962-11-23 DE DEF38378A patent/DE1170957B/en active Pending
-
1963
- 1963-11-11 CH CH1382263A patent/CH426830A/en unknown
- 1963-11-13 AT AT907463A patent/AT241450B/en active
- 1963-11-13 US US323225A patent/US3262930A/en not_active Expired - Lifetime
- 1963-11-19 GB GB45619/63A patent/GB992166A/en not_active Expired
- 1963-11-22 BR BR154789/63A patent/BR6354789D0/en unknown
-
1964
- 1964-02-21 FR FR964742A patent/FR3257M/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH426830A (en) | 1966-12-31 |
US3262930A (en) | 1966-07-26 |
BR6354789D0 (en) | 1973-07-12 |
AT241450B (en) | 1965-07-26 |
DE1170957B (en) | 1964-05-27 |
FR3257M (en) | 1965-04-20 |
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