Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
2-Bromopyridine → rac-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(2-pyridinyl)ethynyl]-2H-1-benzopyran-6-ol
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | 2-Bromopyridine | HCID 7973 | — |
| 반응물 | rac-3,4-dihydro-2-ethynyl-2,5,7,8-tetramethyl-2H-1-benzopyran-6ol | HCID 14478563 | — |
| 생성물 | rac-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(2-pyridinyl)ethynyl]-2H-1-benzopyran-6-ol | HCID 15171815 | — |
반응 단계
This compound was prepared by reacting rac-3,4-dihydro-2-ethynyl-2,5,7,8-tetramethyl-2H-1-benzopyran-6-ol with 2-bromopyridine as described in Example 14. The compound was isolated by chromatography as in Example 14 and was crystallized from ethyl acetate to give colorless crystals with m.p. 179°-181° C.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US05260294 |
| 출처 데이터셋 | uspto-grants-1993_11 |
| ORD ID | ord-0e4093ea66ba44b08c047f32de6b472e |
| 출처 메모 | uspto-grants-1993_11 |