반응 #1076748

ord-41998616a7dd415388b9f444902f1e40

반응 방정식

[Cl-].[Cl-].[Cl-].[Cr+3]
chromium chloride
O=C1O[C@H]([C@@H](O)CO)C(O)=C1O
ascorbic acid
O=C1O[C@H]([C@@H](O)CO)C(O)=C1O
Asc
→
O=C1O[C@H]([C@@H](O)CO)C([O-])=C1O.O=C1O[C@H]([C@@H](O)CO)C([O-])=C1O.O=C1O[C@H]([C@@H](O)CO)C([O-])=C1O.[Cr+3]
Chromium Ascorbate

반응물

—
Cr Asc
[Cl-].[Cl-].[Cl-].[Cr+3]
chromium chloride
O=C1O[C@H]([C@@H](O)CO)C(O)=C1O
ascorbic acid
O=C1O[C@H]([C@@H](O)CO)C(O)=C1O
Asc

시약

없음

용매

O
water
O
water

반응 조건

온도
50°CELSIUS
상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타to get a green solution
  2. 2
    workup.ADDITIONwas added to the solution
  3. 3
    기타to get a dark green solution
  4. 4
    농축The solution was concentrated in vacuum
  5. 5
    workup.ADDITIONthe large volume of ethanol 90% was added
  6. 6
    기타to get a green sediment

실험 절차

Half gram (1.85 mmole) of chromium chloride (CrCl3) was dissolved in 30 ml of deionized water to get a green solution. 1.0 g (5.5 mmole) of ascorbic acid (Asc) dissolved in 40 ml of deionized water, was added to the solution. The pH of the reaction mixture was adjusted to 4.5 (pK(Asc)4.2), and the reaction mixture was stirred for 3 hours at 50° C. to get a dark green solution. The solution was concentrated in vacuum and the large volume of ethanol 90% was added to get a green sediment. UV-VIS Spectrum for Cr-Asc showed two main absorbance peaks at 263 and 592 nm.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US06458351B2uspto-grants-2002_10