BR7108022D0 - Processo para preparacao de piridina - Google Patents
Processo para preparacao de piridinaInfo
- Publication number
- BR7108022D0 BR7108022D0 BR8022/71A BR802271A BR7108022D0 BR 7108022 D0 BR7108022 D0 BR 7108022D0 BR 8022/71 A BR8022/71 A BR 8022/71A BR 802271 A BR802271 A BR 802271A BR 7108022 D0 BR7108022 D0 BR 7108022D0
- Authority
- BR
- Brazil
- Prior art keywords
- pyridine
- preparation
- Prior art date
Links
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 title 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7017718.A NL167158C (nl) | 1970-12-04 | 1970-12-04 | Werkwijze voor de bereiding van pyridine door demethy- lering van alfa-picoline. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7108022D0 true BR7108022D0 (pt) | 1973-04-12 |
Family
ID=19811721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8022/71A BR7108022D0 (pt) | 1970-12-04 | 1971-12-02 | Processo para preparacao de piridina |
Country Status (14)
-
1970
- 1970-12-04 NL NL7017718.A patent/NL167158C/xx not_active IP Right Cessation
-
1971
- 1971-11-25 CA CA128,528A patent/CA949972A/en not_active Expired
- 1971-11-26 GB GB5509471A patent/GB1357207A/en not_active Expired
- 1971-11-29 ZA ZA717998A patent/ZA717998B/xx unknown
- 1971-12-01 CH CH1748771A patent/CH562796A5/xx not_active IP Right Cessation
- 1971-12-01 JP JP46097099A patent/JPS5024316B1/ja active Pending
- 1971-12-01 FR FR7143069A patent/FR2117222A5/fr not_active Expired
- 1971-12-01 AT AT1034571A patent/AT310752B/de not_active IP Right Cessation
- 1971-12-02 DE DE19712159846 patent/DE2159846A1/de not_active Ceased
- 1971-12-02 BE BE776165A patent/BE776165A/xx not_active IP Right Cessation
- 1971-12-02 BR BR8022/71A patent/BR7108022D0/pt unknown
- 1971-12-03 SE SE7115570A patent/SE391923B/xx unknown
- 1971-12-03 IT IT54520/71A patent/IT945266B/it active
- 1971-12-03 ES ES397650A patent/ES397650A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5024316B1 (enrdf_load_stackoverflow) | 1975-08-14 |
| ES397650A1 (es) | 1974-05-16 |
| DE2159846A1 (de) | 1972-06-22 |
| IT945266B (it) | 1973-05-10 |
| GB1357207A (en) | 1974-06-19 |
| SE391923B (sv) | 1977-03-07 |
| FR2117222A5 (enrdf_load_stackoverflow) | 1972-07-21 |
| NL7017718A (enrdf_load_stackoverflow) | 1972-06-06 |
| CA949972A (en) | 1974-06-25 |
| NL167158C (nl) | 1981-11-16 |
| BE776165A (fr) | 1972-06-02 |
| ZA717998B (en) | 1972-08-30 |
| AT310752B (de) | 1973-10-10 |
| CH562796A5 (enrdf_load_stackoverflow) | 1975-06-13 |
| NL167158B (nl) | 1981-06-16 |
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