ES296163A1 - Procedure for the preparation of new hydrazones of 5-nitro-furfurol (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the preparation of new hydrazones of 5-nitro-furfurol (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES296163A1 ES296163A1 ES0296163A ES296163A ES296163A1 ES 296163 A1 ES296163 A1 ES 296163A1 ES 0296163 A ES0296163 A ES 0296163A ES 296163 A ES296163 A ES 296163A ES 296163 A1 ES296163 A1 ES 296163A1
- Authority
- ES
- Spain
- Prior art keywords
- general formula
- compound
- formula
- furfurol
- nitro
- 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
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Process for the preparation of new hydrazones of 5-nitro-furfurol, of the general formula I ** (See formula) ** where R1 and R3, independently of one another, mean hydrogen or alkyl, alkenyl, hydroalkyl, alkoxyalkyl, cycloalkyl, aryl or aralkyl radicals, the aryl or aralkyl radicals possibly being substituted by halogen atoms or trifluoromethyl, lower alkyl and/or or lower alkoxy, while R1 and R4, independently of one another, mean hydrogen or lower alkyl or hydroxyalkyl lower groups, where R1 and R2, or respectively R3 and R4, provided they mean alkyl radicals, can be linked together directly or by means of an oxygen atom, as well as its salts with inorganic or organic acids, characterized in that 5-nitro-furfurol-hydrazone is reacted with trichlorogen chloride or trichlorogen bromide in the presence of an acid-binding agent, by reacting the compound obtained, of the general formula II ** (See formula) ** where "Hal" means a chlorine or bromine atom with an equimolar amount of a compound of the formula, general III ** (See formula) ** and a compound of general formula IV ** (See formula) ** where R1, R2, R3 and R4 have the meaning stated above, or by reacting 5-nitro-furfurol hydrazone with a compound of the general formula V ** (See formula) ** wherein R1, R2 and "Hal" have the meaning set forth above, in the presence of an acid combining agent and the product thus obtained, of the general formula VI, is reacted ** (See formula) ** wherein R1, R2 and "Hal" have the meaning set forth above, with a compound of the general formula IV and, if desired, transforming a compound of the general formula I into a salt with an inorganic or organic acid. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0296163A ES296163A1 (en) | 1964-02-06 | 1964-02-06 | Procedure for the preparation of new hydrazones of 5-nitro-furfurol (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0296163A ES296163A1 (en) | 1964-02-06 | 1964-02-06 | Procedure for the preparation of new hydrazones of 5-nitro-furfurol (Machine-translation by Google Translate, not legally binding) |
Publications (1)
Publication Number | Publication Date |
---|---|
ES296163A1 true ES296163A1 (en) | 1964-08-16 |
Family
ID=34563459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0296163A Expired ES296163A1 (en) | 1964-02-06 | 1964-02-06 | Procedure for the preparation of new hydrazones of 5-nitro-furfurol (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES296163A1 (en) |
-
1964
- 1964-02-06 ES ES0296163A patent/ES296163A1/en not_active Expired
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