Tetrabutylammonium Fluoride Trihydrate → 3-Hydroxy-9H-xanthen-9-ylideneadamantane

HRID 725703ノート

反応式

HRID 725703 の反応式
[Si]([O:8][C:9]1[CH:10]=[CH:11][C:12]2[C:13](=[C:23]3[CH:30]4[CH2:31][CH:26]5[CH2:27][CH:28]([CH2:32][CH:24]3[CH2:25]5)[CH2:29]4)[C:14]3[C:19]([O:20][C:21]=2[CH:22]=1)=[CH:18][CH:17]=[CH:16][CH:15]=3)(C(C)(C)C)(C)C.[N+](CCCC)(CCCC)(CCCC)CCCC.[F-].O.O.O>C1COCC1.CCOCC>[OH:8][C:9]1[CH:10]=[CH:11][C:12]2[C:13](=[C:23]3[CH:30]4[CH2:31][CH:26]5[CH2:27][CH:28]([CH2:32][CH:24]3[CH2:25]5)[CH2:29]4)[C:14]3[C:19]([O:20][C:21]=2[CH:22]=1)=[CH:18][CH:17]=[CH:16][CH:15]=3

参加物

5

実験手順

The silylated alkene 5b (1.18 g, 2.6 mmol) was dissolved in 10 ml of THF. n-Bu4NF.3H2O (0.94 g, 3.0 mmol) was added and the yellow solution stirred for 30 min. The solution was then diluted with Et2O (100 mL), washed with H2O (200 mL), and the organic layer was concentrated. Recrystallization from ethyl acetate gave 0.48 g (1.5 mmol, 57.7%) of 5a as a white solid: 235°-240° C. (dec); 1H NMR (CDCl3) delta 1.873 (2, 10H), 1.992 (s, 2H), 3.472 (s, 1H), 3.529 (s, 1H), 6.70-6.76 (m, 2H), 6.96-7.04 (m, 2H), 7.06-7.14 (m, 2H), 7.21-7.29 (m, 2H); HRMS calc. 330.1621, found 330.1617; MS m/e (tel. intensity) 330 (100), 329 (43), 273 (37), 235 (16), 197 (11), 142 (65). Anal. calcd for C23H22 O2 : C, 83.64; H, 6.67. Found; C, 83.75; H, 6.69. ##STR40##

後処理

  1. washwashed with H2O (200 mL)
  2. concentrationthe organic layer was concentrated
  3. customRecrystallization from ethyl acetate

出典と根拠

ORDレコード
ord-6538c98283304bbe9ab895d88da74edd
出典データセット
uspto-grants-1998_01
特許番号
US05707559

反応ノート

読み込み中…