Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
2-Bromobenzo(b)thiophene → rac-[2-(Benzo[b]thiophen-2-yl)ethynyl]-3,4-dihydro-2,5,7,8-tetramethyl-2H-1-benzopyran-6-ol
참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|---|---|---|
| 반응물 | 2-Bromobenzo(b)thiophene | HCID 94786 | — |
| 반응물 | rac-3,4-dihydro-2-ethynyl-2,5,7,8-tetramethyl-2H-1-benzopyran-6ol | HCID 14478563 | — |
| 생성물 | rac-[2-(Benzo[b]thiophen-2-yl)ethynyl]-3,4-dihydro-2,5,7,8-tetramethyl-2H-1-benzopyran-6-ol | HCID 15171820 | — |
반응 단계
Reaction of rac-3,4-dihydro-2-ethynyl-2,5,7,8-tetramethyl-2H-1-benzopyran-6-ol with 2-bromobenzo[b]thiophene under the conditions described in example 16 gave after chromatographic isolation and crystallization from ether/hexane colorless crystals with m.p. 120°-123° C.
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 특허 번호 | US05260294 |
| 출처 데이터셋 | uspto-grants-1993_11 |
| ORD ID | ord-a617309efa024efc821d88d8188e17b2 |
| 출처 메모 | uspto-grants-1993_11 |