Lithium Hydroxide → Dilithium monocopper(II) citrate

HRID 973242

반응식

HRID 973242 반응식
[C:1]([O-:13])(=[O:12])[CH2:2][C:3]([CH2:8][C:9]([O-:11])=[O:10])([C:5]([O-:7])=[O:6])[OH:4].[Li+:14].[Li+].[Li+].[OH-].[Li+].[Cu:19].C([O-])(=O)CC(CC([O-])=O)(C([O-])=O)O>O>[C:1]([O-:13])(=[O:12])[CH2:2][C:3]([CH2:8][C:9]([O-:11])=[O:10])([C:5]([O-:7])=[O:6])[OH:4].[Cu+2:19].[Li+:14].[Li+:14]

참가 물질

6

반응물 4

HCID 3939Lithium HydroxideHCID 13520Lithium CitrateHCID 23978CopperHCID 31348Citrate

생성물 1

HCID 23056454Dilithium monocopper(II) citrate

시약·촉매·용매 1

HCID 962Water용매

실험 절차

10 millimoles of lithium citrate were dissolved in 10 milliliters of water. To this solution, 10 millimoles of cupric chloride (CuCl2. 2H2O) were added gradually with stirring. A deep blue solution was formed. This was neutralized to a pH of about 7 with 10 millimoles of lithium hydroxide (LiOH. H2O). This solution, when evaporated to dryness, gave a deep blue, semicrystalline solid. This solid was ground to a fine powder and the lithium chloride was extracted with 50 milliliters of dry methanol, five times, at 35° C. The blue solid which remained behind was evacuated to remove methanol and desiccated. An attempt was made to crystallize the salt from water-organic solvent systems, but apparently due to the extremely hygroscopic nature of the salt and the high negative charge on the ionized molecule, the solid obtained was microcrystalline to amorphous. The following formula is proposed for the 1:1 complex of copper and citrate based on elucidation of the structure and analyses described hereinafter.

후처리

  1. customA deep blue solution was formed
  2. customThis solution, when evaporated to dryness
  3. customgave a deep blue, semicrystalline solid
  4. extractionthe lithium chloride was extracted with 50 milliliters of dry methanol, five times, at 35° C
  5. custombehind was evacuated
  6. customto remove methanol
  7. customto crystallize the salt from water-organic solvent systems
  8. additionapparently due to the extremely hygroscopic nature of the salt and the high negative charge on the ionized molecule
  9. customthe solid obtained

출처 및 근거

ORD 기록
ord-c6aad7745f834796a82bcf08e3614b7f
출처 데이터셋
uspto-grants-1977_10
특허 번호
US04055655

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