DE860945C - Process for the preparation of amino-cycloalkylcarbinols - Google Patents
Process for the preparation of amino-cycloalkylcarbinolsInfo
- Publication number
- DE860945C DE860945C DEB7430D DEB0007430D DE860945C DE 860945 C DE860945 C DE 860945C DE B7430 D DEB7430 D DE B7430D DE B0007430 D DEB0007430 D DE B0007430D DE 860945 C DE860945 C DE 860945C
- Authority
- DE
- Germany
- Prior art keywords
- amino
- cycloalkylcarbinols
- preparation
- nitrocycloalkylcarbinols
- hydrogen
- 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
Description
Verfahren zur Darstellung von Amino-cycloalkylcarbinolen Neuere Beobachtungen haben gezeigt, daß man durch Umsetzung von Nitrocycloalkanen oder deren Substitutionsprodukten, z. B. Alkyl- oder Halogensubstitutionsprodukten, in Gegenwart alkalischer Katalysatoren mit Oxoverbindungen, wie Formaldehyd, seinen Polymeren oder Homologen, Nitrocycloalkylcarbinole herstellen kann.Method for the preparation of amino-cycloalkylcarbinols. Recent observations have shown that by reacting nitrocycloalkanes or their substitution products, z. B. alkyl or halogen substitution products, in the presence of alkaline catalysts with oxo compounds such as formaldehyde, its polymers or homologues, nitrocycloalkylcarbinols can produce.
Es wurde nun gefunden, daß man wertvolle Amine erhält, die vorteilhaft als Zwischenprodukte, z. B. für Synthesen zur Gewinnung von Kunststoffen, verwendet werden können, wenn man diese Nitrocycloalkylcarbinole mit reduzierenden Mitteln, z. B. Wasserstoff, zweckmäßig in Gegenwart hydrierend wirkender Katalysatoren, behandelt. .It has now been found that valuable amines are obtained which are advantageous as intermediates, e.g. B. for syntheses for the production of plastics used can be, if these nitrocycloalkylcarbinols with reducing agents, z. B. hydrogen, expediently treated in the presence of hydrogenating catalysts. .
Beispiel Eine Lösung von 250 g i-Nitro-i-methylol-cyclohexan in 11 Methanol wird in einem Drehautoklav von 51 Inhalt in Gegenwart von 35 ccm einer 5oa/oigen wäBrigen Aufschlämmung von Raney-Nickel bei Zimmertemperatur und bei 5o bis Zoo at, am besten 8o at, der Einwirkung von Wasserstoff ausgesetzt: Nach Beendigung der Wasserstoffaufnahme filtriert man den Katalysator ab, dampft die Lösung ein und gewinnt durch Destillation das gebildete z-Amino-1-methylol-cyclohexan als farbloses, dickflüssiges, beim Stehen leicht kristallinisch erstarrendes Öl vom Siedepunkt 94 bis 95° bei 3 mm Hg in einer Ausbeute von 85 %.EXAMPLE A solution of 250 g of i-nitro-i-methylol-cyclohexane in 1 liter of methanol is in a rotary autoclave with a capacity of 51 in the presence of 35 cc of a 50 per cent aqueous suspension of Raney nickel at room temperature and at 50 to Zoo at best 80 at, exposed to the action of hydrogen: After the hydrogen uptake is complete, the catalyst is filtered off, the solution is evaporated and the z-amino-1-methylol-cyclohexane formed is obtained by distillation as a colorless, viscous oil that solidifies slightly in a crystalline manner on standing from the boiling point 94 to 95 ° at 3 mm Hg in a yield of 85%.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB7430D DE860945C (en) | 1943-11-05 | 1943-11-05 | Process for the preparation of amino-cycloalkylcarbinols |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB7430D DE860945C (en) | 1943-11-05 | 1943-11-05 | Process for the preparation of amino-cycloalkylcarbinols |
Publications (1)
Publication Number | Publication Date |
---|---|
DE860945C true DE860945C (en) | 1952-12-29 |
Family
ID=6955363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEB7430D Expired DE860945C (en) | 1943-11-05 | 1943-11-05 | Process for the preparation of amino-cycloalkylcarbinols |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE860945C (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2139124A (en) * | 1937-08-13 | 1938-12-06 | Purdue Research Foundation | Aminoalcohols |
US2139122A (en) * | 1937-08-13 | 1938-12-06 | Purdue Research Foundation | Aliphatic aminoalcohols |
US2139123A (en) * | 1927-08-13 | 1938-12-06 | Purdue Research Foundation | Aminoalcohol |
US2157386A (en) * | 1937-08-19 | 1939-05-09 | Purdue Research Foundation | Hydrogenation of nitrohydroxy compounds |
US2157391A (en) * | 1937-08-13 | 1939-05-09 | Commercial Solvents Corp | Catalytic reduction of nitro compounds |
US2164271A (en) * | 1937-08-13 | 1939-06-27 | Purdue Research Foundation | Secondary aminoalcohols |
US2174242A (en) * | 1937-08-13 | 1939-09-26 | Purdue Research Foundation | Aminoglycols |
-
1943
- 1943-11-05 DE DEB7430D patent/DE860945C/en not_active Expired
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2139123A (en) * | 1927-08-13 | 1938-12-06 | Purdue Research Foundation | Aminoalcohol |
US2139124A (en) * | 1937-08-13 | 1938-12-06 | Purdue Research Foundation | Aminoalcohols |
US2139122A (en) * | 1937-08-13 | 1938-12-06 | Purdue Research Foundation | Aliphatic aminoalcohols |
US2157391A (en) * | 1937-08-13 | 1939-05-09 | Commercial Solvents Corp | Catalytic reduction of nitro compounds |
US2164271A (en) * | 1937-08-13 | 1939-06-27 | Purdue Research Foundation | Secondary aminoalcohols |
US2174242A (en) * | 1937-08-13 | 1939-09-26 | Purdue Research Foundation | Aminoglycols |
US2157386A (en) * | 1937-08-19 | 1939-05-09 | Purdue Research Foundation | Hydrogenation of nitrohydroxy compounds |
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