p-Toluenesulfonic acid → HCID 19047483, 화합물
반응식
[O:1]1[CH:5]=[CH:4][C:3]([C:6]2(O)[C:14]3[O:13][CH:12]=[CH:11][C:10]=3[CH2:9][CH2:8][CH2:7]2)=[CH:2]1.C1(C)C=CC(S(O)(=O)=O)=CC=1>C1(C)C=CC=CC=1>[O:1]1[CH:5]=[CH:4][C:3]([C:6]2[C:14]3[O:13][CH:12]=[CH:11][C:10]=3[CH2:9][CH2:8][CH:7]=2)=[CH:2]1참가 물질
4
실험 절차
To a mixture of 16.3 g of the above alcohol in 400 ml of toluene was added 100 mg of p-toluenesulfonic acid and the mixture was placed on a Rotovap® and the solvent was distilled in vacuo (40 mm/50° C.) until a brown-red residue was obtained yielding 14.3 g (96%) of 4,5-dihydro-7-(3-furyl)-benzofuran as a red oil.
후처리
- distillationthe solvent was distilled in vacuo (40 mm/50° C.) until a brown-red residue
- customwas obtained
출처 및 근거
- ORD 기록
- ord-22253f336f0e4c8fa2571dbd47176568
- 출처 데이터셋
- uspto-grants-1997_02
- 특허 번호
- US05604224
반응 노트
불러오는 중…