Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
Methyl 4-pentynoate → (Z)-5-[2,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-5-nitro-2-oxo-1H-indol-4-yl]-4-pentynoic acid methyl ester
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | Methyl 4-pentynoate | HCID 543061 | — |
| 반응물 | (Z)-1,3-dihydro-4-bromo-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-5-nitro-2H-indol-2-one | HCID 18359293 | — |
| 촉매 | HCID 178418476 | HCID 178418476 | — |
| 용매 | Dimethylformamide | HCID 6228 | — |
| 용매 | Triethylamine | HCID 8471 | — |
| 생성물 | (Z)-5-[2,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-5-nitro-2-oxo-1H-indol-4-yl]-4-pentynoic acid methyl ester | HCID 20667779 | — |
반응 단계
Using Method D above, methyl 4-pentynoate (0.18 g, 1.65 mmol) was coupled with (Z)-4-bromo-1,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-5-nitro-2H-indol-2-one (Starting Material 1 supra) (0.3 g, 0.82 mmol) using (Ph3P)2PdCl2 (28.8 mg) and Cul (7.8 mg) as catalyst in DMF (8 mL) and Et3N (8 mL) as solvent at 85° C. for 18 h to yield (Z)-5-[2,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-5-nitro-2-oxo-1H-indol-4-yl]-4-pentynoic acid methyl ester. (Yield 0.23 g, 72%).
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US06252086B1 |
| 출처 데이터셋 | uspto-grants-2001_06 |
| ORD ID | ord-902364a03e1c4133a871823f4815a9f6 |
| 출처 메모 | uspto-grants-2001_06 |