CH511827A - Process for the preparation of salts of 5-formyl-furan-2-sulfonic acid - Google Patents
Process for the preparation of salts of 5-formyl-furan-2-sulfonic acidInfo
- Publication number
- CH511827A CH511827A CH1124069A CH1124069A CH511827A CH 511827 A CH511827 A CH 511827A CH 1124069 A CH1124069 A CH 1124069A CH 1124069 A CH1124069 A CH 1124069A CH 511827 A CH511827 A CH 511827A
- Authority
- CH
- Switzerland
- Prior art keywords
- formyl
- furan
- salts
- preparation
- sulfonic acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B55/00—Azomethine dyes
-
- 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
- C07D307/64—Sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B26/00—Hydrazone dyes; Triazene dyes
- C09B26/02—Hydrazone dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B56/00—Azo dyes containing other chromophoric systems
- C09B56/18—Hydrazone-azo dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
- C09B62/02—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring
- C09B62/20—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring to a pyrimidine ring
- C09B62/24—Azo dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Coloring (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1124069A CH511827A (en) | 1969-07-23 | 1969-07-23 | Process for the preparation of salts of 5-formyl-furan-2-sulfonic acid |
FR7027013A FR2055466A5 (en) | 1969-07-23 | 1970-07-22 | |
GB1257405D GB1257405A (en) | 1969-07-23 | 1970-07-22 | |
DE19702036406 DE2036406A1 (en) | 1969-07-23 | 1970-07-22 | Process for the preparation of salts of 5-formyl-furan-2-sulfonic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1124069A CH511827A (en) | 1969-07-23 | 1969-07-23 | Process for the preparation of salts of 5-formyl-furan-2-sulfonic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
CH511827A true CH511827A (en) | 1971-08-31 |
Family
ID=4371508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1124069A CH511827A (en) | 1969-07-23 | 1969-07-23 | Process for the preparation of salts of 5-formyl-furan-2-sulfonic acid |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH511827A (en) |
DE (1) | DE2036406A1 (en) |
FR (1) | FR2055466A5 (en) |
GB (1) | GB1257405A (en) |
-
1969
- 1969-07-23 CH CH1124069A patent/CH511827A/en not_active IP Right Cessation
-
1970
- 1970-07-22 DE DE19702036406 patent/DE2036406A1/en active Pending
- 1970-07-22 FR FR7027013A patent/FR2055466A5/fr not_active Expired
- 1970-07-22 GB GB1257405D patent/GB1257405A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2055466A5 (en) | 1971-05-07 |
GB1257405A (en) | 1971-12-15 |
DE2036406A1 (en) | 1971-03-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |