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Hydrochloric Acid → 8-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentylsulfonamido)-1,6-naphthyridine-7-carboxylic acid

HRID 455310
ノート
印刷プレビュー

反応式

HRID 455310 の反応式
[CH2:1]([O:8][C:9]1[C:10]([C:37]([O:39]C)=[O:38])=[N:11][C:12]([N:19]([CH3:36])[S:20]([CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][NH:28][C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])(=[O:22])=[O:21])=[C:13]2[C:18]=1[N:17]=[CH:16][CH:15]=[CH:14]2)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[OH-].[Na+].C(OCC)(=O)C.Cl>CO.O>[CH2:1]([O:8][C:9]1[C:10]([C:37]([OH:39])=[O:38])=[N:11][C:12]([N:19]([CH3:36])[S:20]([CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][NH:28][C:29]([O:31][C:32]([CH3:34])([CH3:35])[CH3:33])=[O:30])(=[O:21])=[O:22])=[C:13]2[C:18]=1[N:17]=[CH:16][CH:15]=[CH:14]2)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 313Hydrochloric AcidHCID 8857Ethyl Acetate2 回HCID 14798Sodium HydroxideHCID 67109489Methyl 8-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentyl-sulfonamido)-1,6-naphthyridine-7-carboxylate

生成物 1

HCID 671099298-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentylsulfonamido)-1,6-naphthyridine-7-carboxylic acid収率 94%

試薬・触媒・溶媒 2

HCID 887Methanol溶媒HCID 962Water溶媒

反応条件

温度
50 °C

実験手順

To a solution of methyl 8-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentylsulfonamido)-1,6-naphthyridine-7-carboxylate (Example 2.3; 4.05 mmol) in methanol (8 ml) and water (8 ml) at rt was added sodium hydroxide (16.2 mmol). The reaction was heated at 50° C. Ethyl acetate was added and the aquous phase was treated with HCl 1N until pH=6-7. Ethyl acetate was added again, the layers were separated and the organic phase was dried with MgSO4 and concentrated. The crude product was obtained in 94% yield, and used in the next step without further purification.

後処理

  1. customthe layers were separated
  2. dry with materialthe organic phase was dried with MgSO4
  3. concentrationconcentrated

出典と根拠

ORDレコード
ord-9ffde3371a5d4f449f64c84dd4a7065e
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08497270B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート