IT954131B - Procedimento per la preparazione di 3 5 dialchil piridine da pro dotti precondensati di formaldeide con aldeidi superiori che presenta no un gruppo alfa metilenico libero - Google Patents
Procedimento per la preparazione di 3 5 dialchil piridine da pro dotti precondensati di formaldeide con aldeidi superiori che presenta no un gruppo alfa metilenico liberoInfo
- Publication number
- IT954131B IT954131B IT2868671A IT2868671A IT954131B IT 954131 B IT954131 B IT 954131B IT 2868671 A IT2868671 A IT 2868671A IT 2868671 A IT2868671 A IT 2868671A IT 954131 B IT954131 B IT 954131B
- Authority
- IT
- Italy
- Prior art keywords
- formaldehyde
- condensed
- procedure
- preparation
- methylene group
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 3
- RQMWVVBHJMUJNZ-UHFFFAOYSA-N 4-chloropyridin-2-amine Chemical compound NC1=CC(Cl)=CC=N1 RQMWVVBHJMUJNZ-UHFFFAOYSA-N 0.000 title 1
- 150000001299 aldehydes Chemical class 0.000 title 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 title 1
- 239000000047 product Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
- C07D213/08—Preparation by ring-closure
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702045885 DE2045885A1 (en) | 1970-09-17 | 1970-09-17 | 3,5-dialkylpyridine prdon - from formaldehyde pre condesnates higher aldehydes |
| DE19712123965 DE2123965A1 (en) | 1971-05-14 | 1971-05-14 | 3,5-dialkylpyridine prdon - from formaldehyde pre condesnates higher aldehydes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT954131B true IT954131B (it) | 1973-08-30 |
Family
ID=25759737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2868671A IT954131B (it) | 1970-09-17 | 1971-09-15 | Procedimento per la preparazione di 3 5 dialchil piridine da pro dotti precondensati di formaldeide con aldeidi superiori che presenta no un gruppo alfa metilenico libero |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT308751B (it) |
| BE (1) | BE772766A (it) |
| CH (1) | CH558355A (it) |
| FR (1) | FR2108257A5 (it) |
| GB (1) | GB1366087A (it) |
| IT (1) | IT954131B (it) |
| NL (1) | NL7112688A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3145839A1 (fr) | 2023-02-10 | 2024-08-16 | Psa Automobiles Sa | Support de calculateur |
-
1971
- 1971-09-13 CH CH1338571A patent/CH558355A/xx not_active IP Right Cessation
- 1971-09-14 GB GB4282071A patent/GB1366087A/en not_active Expired
- 1971-09-15 IT IT2868671A patent/IT954131B/it active
- 1971-09-15 NL NL7112688A patent/NL7112688A/xx unknown
- 1971-09-17 FR FR7133608A patent/FR2108257A5/fr not_active Expired
- 1971-09-17 AT AT810371A patent/AT308751B/de not_active IP Right Cessation
- 1971-09-17 BE BE772766A patent/BE772766A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2108257A5 (it) | 1972-05-19 |
| CH558355A (de) | 1975-01-31 |
| AT308751B (de) | 1973-07-25 |
| BE772766A (fr) | 1972-03-17 |
| NL7112688A (it) | 1972-03-21 |
| GB1366087A (en) | 1974-09-11 |
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