Cobalt → HCID 11125012、化合物

HRID 861704ノート

反応式

HRID 861704 の反応式
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参加物

6

反応物 3

HCID 104730CobaltHCID 407334HexacyanocobaltHCID 3007855Zincchloride

生成物 1

HCID 11125012HCID 11125012、化合物

試薬・触媒・溶媒 2

HCID 962Water溶媒4 回HCID 6386tert-Butanol溶媒4 回

反応条件

温度
30 °C

実験手順

A one-liter round-bottom flask equipped with mechanical stirrer, addition funnel, and thermometer is charged with distilled water (604 g), potassium hexacyanocobaltate (14.8 g), and tert-butyl alcohol (78 g). The mixture is stirred until all of the cobalt salt dissolves. The resulting solution is heated to 30° C. A solution of zinc chloride in water (50 wt. % zinc chloride, 304 g of solution) is added over 50 min. with stirring. Stirring continues for another 30 min. at 30° C. The resulting white suspension is centrifuged. A wet cake of solids is isolated, and is resuspended with vigorous stirring in a solution of tert-butyl alcohol (204 g) and water (112 g). After all of the solids are completely suspended in the wash solution, the mixture is stirred for 30 min. The suspension is again centrifuged, and the wet solids are isolated. The solids are resuspended in 99.5% tert-butyl alcohol (288 g), centrifuged, and isolated as described above. The resulting paste contains about 24 wt. % zinc hexacyanocobaltate complex, the remainder being tert-butyl alcohol (about 64 wt. %), and water (about 12 wt. %). A sample of this paste catalyst is used "as is" as a catalyst for polyol synthesis. See Tables 1-5.

後処理

  1. customA one-liter round-bottom flask equipped with mechanical stirrer, addition funnel
  2. dissolutiondissolves
  3. stirringStirring
  4. customA wet cake of solids is isolated
  5. stirringthe mixture is stirred for 30 min
  6. customthe wet solids are isolated
  7. customcentrifuged, and isolated

出典と根拠

ORDレコード
ord-c305d57c9466434d817b4d98f53bda2e
出典データセット
uspto-grants-1998_02
特許番号
US05714639

反応ノート

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