Chromium(3+) trichloride hexahydrate → Chromium(III) picolinate

HRID 1941064

反応式

HRID 1941064 の反応式
O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3:10].[N:11]1[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[C:17]([O-:19])=[O:18].[NH4+]>O>[N:11]1[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[C:17]([O-:19])=[O:18].[Cr+3:10].[N:11]1[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[C:17]([O-:19])=[O:18].[N:11]1[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=1[C:17]([O-:19])=[O:18]

参加物

4

反応物 2

HCID 166918Chromium(3+) trichloride hexahydrateHCID 69533129HCID 69533129、化合物

生成物 1

HCID 151932Chromium(III) picolinate収率 90%

試薬・触媒・溶媒 1

HCID 962Water溶媒

反応条件

温度
3 °C

実験手順

Aqueous chromium trichloride hexahydrate solution (23.95 g, 0.09 mol of Cr in 63 ml of water/was added dropwise over a period of 3.5 hours to an ammonium picolinate solution (271.4 g; 0.325 mol; 16.8%), pH 7.1, 73° C. in a 500 ml flask. The resulting violet solution was stirred for a further 1 hour and then slowly cooled to 3° C. After the red solid which had formed had settled out, the upper blue phase was decanted off. The solid was suspended in 100 ml of water for 30 min., and decantation was repeated. After a second suspension in 50 ml of water (30 min.), the solid was filtered off with suction and dried at 50° C. in vacuo. 33.64 g of dark red crystals was obtained (90 percent yield).

後処理

  1. customAfter the red solid which had formed
  2. customthe upper blue phase was decanted off
  3. waitThe solid was suspended in 100 ml of water for 30 min.
  4. filtrationAfter a second suspension in 50 ml of water (30 min.), the solid was filtered off with suction
  5. customdried at 50° C. in vacuo

出典と根拠

ORDレコード
ord-3ad9b106242a4564858df2f8a96784f9
出典データセット
uspto-grants-1997_12
特許番号
US05702930

関連ノート

読み込み中…