참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|
| 반응물 | Hydrochloric Acid | HCID 313 | — |
| 반응물 | Butyl vinyl ether | HCID 8108 | — |
| 반응물 | Triethylamine | HCID 8471 | — |
| 반응물 | thallium(I) acetate | HCID 11247 | — |
| 반응물 | 4-Bromo-2-fluorobenzonitrile | HCID 736029 | — |
| 촉매 | 1,3-Bis(diphenylphosphino)propane | HCID 81219 | — |
| 촉매 | palladium(II) acetate | HCID 167845 | — |
| 용매 | Water | HCID 962 | — |
| 용매 | Dimethylformamide | HCID 6228 | — |
| 생성물 | 4-Acetyl-2-fluorobenzonitrile | HCID 22481653 | 76.6% |
반응 단계
A mixture of 4-Bromo-2-fluoro-benzonitrile (5.0 grams, 20.0 mmole), butyl vinyl ether (12.5 grams, 124.0 mmole), triethylamine (4.0 grams, 40.0 mmole), dppp (0.453 grams, 1.1 mmole), Thallium acetate (5.8 grams, 22.0 mmole) and Pd(OAc)2 (0.224 grams, 1.0 mmole) in dimethylformamide (50 ml) under N2 was heated to 90° C. for 3 hours. An additional 0.453 g dpp and 0.244 g Pd(OAc)2 was added and the mixture was heated to 90° C. for 4 hours. The mixture was cooled to room temperature, 25 ml 2 N hydrochloric acid was added and the mixture was stirred at room temperature for 30 hours. The mixture was poured into 300 ml water and extracted with diethyl ether. The combined extracts were washed with water and brine, dried over magnesium sulfate and concentrated to give an oil which was purified via flash chromatography on silica using 30% ethyl acetate/hexane as eluent to give an oil (2.5 g). 1H-NMR (CDCl3): δ2.63 (s, 3H), 7.73 (m, 2H), 7.81 (m, 1H).
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| 특허 번호 | US06380218B1 |
|---|
| 출처 데이터셋 | uspto-grants-2002_04 |
|---|
| ORD ID | ord-7471ca216a7e4abfbaca5ffb44d3da7c |
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| 출처 메모 | uspto-grants-2002_04 |
|---|
