Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
4-(Methylsulfonyl)phenylhydrazine hydrochloride → 7-fluoro-2-[1-(4-methylsulfonylphenyl)-3-difluoromethyl-1H-pyrazol-5-yl]benzothiazole
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | 4-(Methylsulfonyl)phenylhydrazine hydrochloride | HCID 2735181 | — |
| 반응물 | 1-(7-Fluorobenzothiazol-2-yl)-4,4-difluorobutane-1,3-dione | HCID 23285386 | — |
| 생성물 | 7-fluoro-2-[1-(4-methylsulfonylphenyl)-3-difluoromethyl-1H-pyrazol-5-yl]benzothiazole | HCID 23285382 | 63% |
반응 단계
The procedure of Example 9 was repeated using 1-(7-fluorobenzothiazol-2-yl)-4,4-difluorobutane-1,3-dione and 4-methylsulfonylphenylhydrazine hydrochloride as the starting materials to obtain 7-fluoro-2-[1-(4-methylsulfonylphenyl)-3-difluoromethyl-1H-pyrazol-5-yl]benzothiazole (yield, 63%). NMR(CDCl3) δ: 3.11 (3H, s), 6.81 (1H, t, J=54.8 Hz), 7.09 (1H, app t, J=8.6 Hz), 7.24 (1H, s), 7.48 (1H, dt, J=5.4 Hz, 8.0 Hz), 7.72-7.75 (3H, m), 8.03-8.07 (2H, m); mp 193-195° C. (methanol)
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US06136831 |
| 출처 데이터셋 | uspto-grants-2000_10 |
| ORD ID | ord-28799ebfdfc345aaa09535da8ccc495e |
| 출처 메모 | uspto-grants-2000_10 |