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Triphenylphosphine → 6-[1-(1H-imidazol-1-ylmethyl)-2-methylpropoxy]-5-[(phenylsulfonyl)methyl]-3,4-dihydro-1 (2H)-naphthalenone

HRID 496436
ノート
印刷プレビュー

反応式

HRID 496436 の反応式
N(C(OCC)=O)=NC(OCC)=O.[OH:13][C:14]1[C:15]([CH2:25][S:26]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)(=[O:28])=[O:27])=[C:16]2[C:21](=[CH:22][CH:23]=1)[C:20](=[O:24])[CH2:19][CH2:18][CH2:17]2.[N:35]1([CH2:40][CH:41](O)[CH:42]([CH3:44])[CH3:43])[CH:39]=[CH:38][N:37]=[CH:36]1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>O1CCCC1>[N:35]1([CH2:40][CH:41]([O:13][C:14]2[C:15]([CH2:25][S:26]([C:29]3[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=3)(=[O:28])=[O:27])=[C:16]3[C:21](=[CH:22][CH:23]=2)[C:20](=[O:24])[CH2:19][CH2:18][CH2:17]3)[CH:42]([CH3:44])[CH3:43])[CH:39]=[CH:38][N:37]=[CH:36]1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 223247001-(1H-imidazol-1-yl)-3-methyl-2-butanolHCID 223247586-hydroxy-5-[(phenylsulfonyl)methyl]-3,4-dihydro-1(2H)-naphthalenone

生成物 1

HCID 223246656-[1-(1H-imidazol-1-ylmethyl)-2-methylpropoxy]-5-[(phenylsulfonyl)methyl]-3,4-dihydro-1 (2H)-naphthalenone収率 10%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

Diethyl azodicarboxylate (0.16 mL, 0.99 mmol) was added over 10 min to a mixture of 6-Hydroxy-5-[(phenylsulfonyl)methyl]-3,4-dihydro-1(2H)-naphthalenone (300 mg, 0.99 mmol), 1-(1H-imidazol-1-yl)-3-methyl-2-butanol (167 mg, 1.08 mmol), triphenylphosphine (259 mg, 0.99 mmol) and tetrahydrofuran (2 mL) under nitrogen. The resulting mixture was stirred for 3 d, whereupon it was concentrated and the residue was purified by dry-flash column chromatography (SiO2, 1-9% 2-propanol-dichloromethane) to give 6-[1-(1H-imidazol-1-ylmethyl)-2-methylpropoxy]-5-[(phenylsulfonyl)methyl]-3,4-dihydro-1 (2H)-naphthalenone as a colorless solid, 46 mg, 10% yield. NMR spectrum was consistent with structure. Calcd. for C25H28N2O4S.¼H2O: Theory: C, 65.69; H, 6.28; N, 6.13. Found: C, 65.77; H, 6.67; N, 6.11.

後処理

  1. concentrationwas concentrated
  2. customthe residue was purified by dry-flash column chromatography (SiO2, 1-9% 2-propanol-dichloromethane)

出典と根拠

ORDレコード
ord-f2023b5f1ead46e4ae3db925f9b10824
出典データセット
uspto-grants-2005_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06943183B2

反応ノート

読み込み中…

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