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Triethylamine → 4-Methoxybenzyl (RS)-2-hydroxy-2-[4-[(2RS,5SR)-5-methoxycarbonyltetrahydrofuran-2-ylcarbonylmethylthio)-3-phenylacetamidoazetidin-2-on-1-yl]acetate

HRID 376605
ノート
印刷プレビュー

反応式

HRID 376605 の反応式
O.[C:2]([O:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([O:14][CH3:15])=[CH:10][CH:9]=1)(=[O:5])[CH:3]=[O:4].[CH3:16][O:17][C:18]([CH:20]1[O:24][CH:23]([C:25]([CH2:27][S:28][C@H:29]2[NH:32][C:31](=[O:33])[C@H:30]2[NH:34][C:35](=[O:43])[CH2:36][C:37]2[CH:42]=[CH:41][CH:40]=[CH:39][CH:38]=2)=[O:26])[CH2:22][CH2:21]1)=[O:19].C(N(CC)CC)C>ClC(Cl)C>[OH:4][CH:3]([N:32]1[CH:29]([S:28][CH2:27][C:25]([CH:23]2[CH2:22][CH2:21][CH:20]([C:18]([O:17][CH3:16])=[O:19])[O:24]2)=[O:26])[CH:30]([NH:34][C:35](=[O:43])[CH2:36][C:37]2[CH:38]=[CH:39][CH:40]=[CH:41][CH:42]=2)[C:31]1=[O:33])[C:2]([O:6][CH2:7][C:8]1[CH:9]=[CH:10][C:11]([O:14][CH3:15])=[CH:12][CH:13]=1)=[O:5]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 8471TriethylamineHCID 18780117HCID 18780117、化合物HCID 67907703(3R,4R)-4-[(2RS,5SR)-5-Methoxycarbonyltetrahydrofuran-2-ylcarbonylmethylthio)-3-phenylacetamidoazetidin-2-one

生成物 1

HCID 867551044-Methoxybenzyl (RS)-2-hydroxy-2-[4-[(2RS,5SR)-5-methoxycarbonyltetrahydrofuran-2-ylcarbonylmethylthio)-3-phenylacetamidoazetidin-2-on-1-yl]acetate

試薬・触媒・溶媒 1

HCID 6365
1,1-Dichloroethane
溶媒
2 回

実験手順

4-Methoxybenzyl glyoxylate hydrate (1.50g) in dichloroethane (30ml) was heated at reflux for 1h using a Dean and Stark apparatus for heavy entrainers. The mixture was cooled to room temperature and then a solution of (3R,4R)-4-[(2RS,5SR)-5-methoxycarbonyltetrahydrofuran-2-ylcarbonylmethylthio]-3-phenylacetamidoazetidin-2-one (2.208g) in dichloroethane (20ml) was added followed by triethylamine (0.1ml). The mixture was stirred at room temperature for 1h and then the solvents were evaporated. The title compound was obtained as a mixture of isomers (2.66g) by column chromatography of the residue using gradient elution (silica gel, 1:1 hexane:ethyl acetate going to neat ethyl acetate); vmax (CHCl3) 3412, 1776, 1741 and 1681cm-1.

後処理

  1. customthe solvents were evaporated

出典と根拠

ORDレコード
ord-62ac6919c7854f63b50569930f2b5273
出典データセット
uspto-grants-2000_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06020329

反応ノート

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