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Basic Information
| CAS No.: | 13991-36-1 | ||||||
|---|---|---|---|---|---|---|---|
| Name: | 4-BROMOCROTONIC ACID | ||||||
| Molecular Structure: | |||||||
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| Formula: | C4H5 Br O2 | ||||||
| Molecular Weight: | 164.986 | ||||||
| Synonyms: | 2-Butenoicacid, 4-bromo-, (E)-; Crotonic acid, 4-bromo-, (E)- (8CI); (E)-4-Bromocrotonicacid; trans-4-Bromo-2-butenoic acid | ||||||
| Density: | 1.718g/cm3 | ||||||
| Melting Point: | 74 °C | ||||||
| Boiling Point: | 287.6°Cat760mmHg | ||||||
| Flash Point: | 127.7°C | ||||||
| Hazard Symbols: | R34:; | ||||||
| Risk Codes: | 34 | ||||||
| Safety: |
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| PSA: | 37.30000 | ||||||
| LogP: | 1.02210 | ||||||
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Synthetic route
- 107-93-7
(E)-but-2-enoic acid
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane Reflux; | 98% |
| With N-Bromosuccinimide; dibenzoyl peroxide In tetrachloromethane at 77℃; for 4h; | 93% |
| With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In benzene at 84℃; for 2.5h; | 91.3% |
- 1117-71-1, 56699-18-4, 6000-00-6
methyl-4-bromo-2-butenoate
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With lithium hydroxide In tetrahydrofuran; water for 3h; | 84.4% |
| With lithium hydroxide monohydrate; water In tetrahydrofuran at 0℃; for 2h; | 83% |
| With lithium hydroxide monohydrate; water In tetrahydrofuran at 0℃; for 2h; | 83% |
- 26340-58-9
(E)-4-chlorobut-2-enoic acid
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With sodium bromide In acetone at 50℃; for 120h; | 81% |
- 625-38-7
but-3-enoic acid
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide Inert atmosphere; | 70% |
- 3724-65-0
2-butenoic acid
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In toluene for 2h; Heating; | 47% |
| With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane at 95 - 100℃; for 6h; |
- 37746-78-4
4-bromo-trans-crotonic acid ethyl ester
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With barium dihydroxide; ethanol at -10℃; zuletzt 1-2grad; | |
| With lithium hydroxide monohydrate; water In tetrahydrofuran at 0℃; for 2h; | 200 mg |
- 600-17-9
vinyl glycolic acid
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With diethyl ether; phosphorus tribromide |
- 88239-39-8
γ-bromocrotonate de trimethylsilyle
- 13991-36-1
4-bromocrotonic acid
Conditions
| Conditions | Yield |
|---|---|
| With water for 0.0833333h; Yield given; |
- 1117-71-1, 56699-18-4, 6000-00-6
methyl-4-bromo-2-butenoate
- 10035-10-6, 12258-64-9
hydrogen bromide
- 13991-36-1
4-bromocrotonic acid
- 60-29-7
diethyl ether
- 600-17-9
vinyl glycolic acid
- 7789-60-8
phosphorus tribromide
- 13991-36-1
4-bromocrotonic acid
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