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Cerate(2-), hexakis(nitrato-kappaO)-, potassium (1:2), (OC-6-11)- → Methyl rac-1',2',3',4',5',8'-hexahydro-5',8'-dioxospiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate

HRID 462615
ノート
印刷プレビュー

反応式

HRID 462615 の反応式
[N+]([O-])(O)=O.[N+]([O-])(O)=O.[N+]([O-])(O)=O.[N+]([O-])(O)=O.[N+]([O-])(O)=O.[N+]([O-])(O)=O.[Ce].C[O:27][C:28]1[CH:37]=[CH:36][C:35]([O:38]C)=[C:34]2[C:29]=1[C:30]1([S:47][CH2:46][CH2:45][S:44]1)[CH2:31][CH:32]([C:40]([O:42][CH3:43])=[O:41])[CH2:33]2>O.C(#N)C.C(OCC)C>[O:27]=[C:28]1[CH:37]=[CH:36][C:35](=[O:38])[C:34]2[CH2:33][CH:32]([C:40]([O:42][CH3:43])=[O:41])[CH2:31][C:30]3([S:44][CH2:45][CH2:46][S:47]3)[C:29]1=2
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 2

HCID 407333Cerate(2-), hexakis(nitrato-kappaO)-, potassium (1:2), (OC-6-11)-HCID 20283292Methyl rac-1',2',3',4'-tetrahydro-5',8'-dimethoxyspiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate

生成物 1

HCID 20283295Methyl rac-1',2',3',4',5',8'-hexahydro-5',8'-dioxospiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate収率 82.8%

試薬・触媒・溶媒 3

HCID 962Water溶媒2 回
HCID 3283
Diethyl Ether
溶媒
HCID 6342Acetonitrile溶媒

実験手順

A solution of 4.90 g (0.009 mol) of ammonium ceric nitrate in 20 ml of water was added to a stirred solution of 1.20 g (0.0035 mol) of methyl rac-1',2',3',4'-tetrahydro-5',8'-dimethoxyspiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate in 100 ml of acetonitrile. The mixture was stirred at room temperature for 5 minutes, then diluted with 100 ml of water and extracted with three 200 ml portions of diethyl ether. The combined diethyl ether extracts were washed with water, dried and evaporated to yield 1.23 g of crude product in the form of an orange gum. This was taken up in diethyl ether and crystallized to yield 0.90 g (82%) of methyl rac-1',2',3',4',5',8'-hexahydro-5',8'-dioxospiro-[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate in the form of a bright orange solid of melting point 140°-141° C.

後処理

  1. extractionextracted with three 200 ml portions of diethyl ether
  2. washThe combined diethyl ether extracts were washed with water
  3. customdried
  4. customevaporated
  5. customto yield 1.23 g of crude product in the form of an orange gum
  6. customcrystallized

出典と根拠

ORDレコード
ord-8729727694b4470eb0ac153c390dbf5e
出典データセット
uspto-grants-1985_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04515969

反応ノート

読み込み中…

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