CH530358A - Verfahren zur Herstellung von 2-Methyl-4-halogen-but-2-en-1-alen - Google Patents
Verfahren zur Herstellung von 2-Methyl-4-halogen-but-2-en-1-alenInfo
- Publication number
- CH530358A CH530358A CH1499570A CH1499570A CH530358A CH 530358 A CH530358 A CH 530358A CH 1499570 A CH1499570 A CH 1499570A CH 1499570 A CH1499570 A CH 1499570A CH 530358 A CH530358 A CH 530358A
- Authority
- CH
- Switzerland
- Prior art keywords
- alene
- halogen
- methyl
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/24—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/54—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (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 |
|---|---|---|---|
| DE19691952649 DE1952649C (de) | 1969-10-18 | Verfahren zur Herstellung von 2 Methyl 4 (chlor bzw brom) but 2 en 1 alen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH530358A true CH530358A (de) | 1972-11-15 |
Family
ID=5748617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1499570A CH530358A (de) | 1969-10-18 | 1970-10-09 | Verfahren zur Herstellung von 2-Methyl-4-halogen-but-2-en-1-alen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3940445A (de) |
| JP (1) | JPS4821083B1 (de) |
| BE (1) | BE757670A (de) |
| CH (1) | CH530358A (de) |
| FR (1) | FR2066095A5 (de) |
| GB (1) | GB1295350A (de) |
| NL (1) | NL7014935A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288635A (en) * | 1980-05-23 | 1981-09-08 | J. T. Baker Chemical Co. | Method for the preparation of (E)-4-bromo-2-methylbut-2-en-1-al |
| JPH066546B2 (ja) * | 1986-01-31 | 1994-01-26 | 川研ファインケミカル株式会社 | ５−ブロム−１−ペンタナ−ル化合物またはそのアセタ−ル誘導体の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3205267A (en) * | 1965-09-07 | Production of z,z,j,j-tetrachlorosuccin- ic dialdehyde monohydrate and an adduct thereof | ||
| NL30887C (de) * | 1930-10-14 | |||
| NL264855A (de) * | 1960-05-19 | 1900-01-01 | ||
| NL293508A (de) * | 1962-06-01 |
-
0
- BE BE757670D patent/BE757670A/xx not_active IP Right Cessation
-
1970
- 1970-10-09 CH CH1499570A patent/CH530358A/de not_active IP Right Cessation
- 1970-10-12 NL NL7014935A patent/NL7014935A/xx unknown
- 1970-10-15 US US05/081,143 patent/US3940445A/en not_active Expired - Lifetime
- 1970-10-16 GB GB1295350D patent/GB1295350A/en not_active Expired
- 1970-10-16 FR FR7037453A patent/FR2066095A5/fr not_active Expired
- 1970-10-17 JP JP45090929A patent/JPS4821083B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2066095A5 (de) | 1971-08-06 |
| JPS4821083B1 (de) | 1973-06-26 |
| DE1952649A1 (de) | 1971-04-29 |
| NL7014935A (de) | 1971-04-20 |
| BE757670A (fr) | 1971-04-19 |
| GB1295350A (de) | 1972-11-08 |
| US3940445A (en) | 1976-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |