(2-Oxooxolan-3-yl)(triphenyl)phosphanium bromide → 2(3H)-Furanone, 3-(triphenylphosphoranylidene)-

HRID 973879노트

반응식

HRID 973879 반응식
[Br-].[O:2]=[C:3]1[CH:7]([P+:8]([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)([C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=2)[C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH2:6][CH2:5][O:4]1>O>[O:2]=[C:3]1[C:7](=[P:8]([C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=2)([C:9]2[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=2)[C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=2)[CH2:6][CH2:5][O:4]1

참가 물질

3

반응물 1

HCID 19988396(2-Oxooxolan-3-yl)(triphenyl)phosphanium bromide

생성물 1

HCID 971112(3H)-Furanone, 3-(triphenylphosphoranylidene)-

시약·촉매·용매 1

HCID 962Water용매

실험 절차

2-Oxotetrahydrofuran-3-yltriphenylphosphonium bromide (1.717 g) was dissolved in water (20 mls) and the solution filtered through kieselguhr. The pH was adjusted to 7.5 with 5M sodium hydroxide. The greyish precipitate was filtered off, washed with 50% ether/acetone and dried, to give the title compound as an off white solid, (0.77 g, 55%), (Found; M+, 346.1124. C22H19O2P requires M, 346.1123); νmax (CH2Cl2) 1645, 1480(w), 1430(w), 1365(w) and 1315(w)cm-1 ; δH (CDCl3) 2.62 (2H, t, 7Hz), 4.27 (2H, t, J 7Hz) and 7.3-7.9 (15H, m).

후처리

  1. filtrationthe solution filtered through kieselguhr
  2. filtrationThe greyish precipitate was filtered off
  3. washwashed with 50% ether/acetone
  4. customdried

출처 및 근거

ORD 기록
ord-32e461011d0c405695236975e1d2040f
출처 데이터셋
uspto-grants-1991_11
특허 번호
US05064649

반응 노트

불러오는 중…