Water → HCID 178526116, 화합물

HRID 23764

반응식

HRID 23764 반응식
[O-2:1].[Cr+6:2].[O-2:3].[O-2:4].[FH:5].O.[N:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1>>[Cr:2]([F:5])([O-:4])(=[O:3])=[O:1].[NH+:7]1[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=1

참가 물질

5

반응물 4

HCID 962WaterHCID 1049PyridineHCID 14917Hydrofluoric AcidHCID 10219390chromium (VI) trioxide

생성물 1

HCID 178526116HCID 178526116, 화합물

실험 절차

The process of the present invention comprises the reaction between chromouim(VI) oxide, hydrofluoric acid and pyridine to obtain pyridinium fluorochromate VI (PFC) in quantitative yields and with approximately with 100% of atom economy. The basic mechanism of the reaction comprises the reaction of chromium(VI) oxide with preferably 48% hydrofluoric acid to yield a fluorotrioxochromate(VI) complex. The fluorotrioxochromate(VI) complex is preferably dissolved using minimum amount of water to avoid any loss due to solubility of the product. In the alternate, the fluorotrioxochromate(VI) complex interacts directly with pyridine preferably at ice-cold conditions to obtain pyridinium fluorochromate, PFC. 40% hydrofluoric acid can also be used instead of 48% HF. no excess of hydrofluoric acid is used. Use of excess pyridine is avoided.

후처리

  1. customin quantitative yields
  2. customto yield a fluorotrioxochromate(VI) complex
  3. dissolutionThe fluorotrioxochromate(VI) complex is preferably dissolved

출처 및 근거

ORD 기록
ord-df9c5fdf9d984b1f8ba9402228cd49b1
출처 데이터셋
uspto-grants-2005_02
특허 번호
US06852859B2

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