Maleic Anhydride → Dibutyltin maleate

HRID 2083197노트

반응식

HRID 2083197 반응식
[CH2:1]([Sn:5](=[O:10])[CH2:6][CH2:7][CH2:8][CH3:9])[CH2:2][CH2:3][CH3:4].[C:11]1(=[O:17])[O:16][C:14](=[O:15])[CH:13]=[CH:12]1.[Sn]>O>[C:11]([O-:16])(=[O:17])/[CH:12]=[CH:13]\[C:14]([O-:10])=[O:15].[CH2:1]([Sn+2:5][CH2:6][CH2:7][CH2:8][CH3:9])[CH2:2][CH2:3][CH3:4]

참가 물질

5

반응물 3

HCID 7923Maleic Anhydride3회HCID 61221Dibutyltin oxide3회HCID 5352426Tin atom2회

생성물 1

HCID 9906251Dibutyltin maleate

시약·촉매·용매 1

HCID 962Water용매2회

반응 조건

온도
50 °C

실험 절차

The foregoing procedure was repeated using 124.35 g. (0.5 mole) of di-n-butyltin oxide and 24.5 g. (0.25 mole) of maleic anhydride with 100 cc. water as the reaction medium. In this instance the water and maleic anhydride were combined and heated to 50° C. to dissolve the anhydride. The solution was then cooled to 30° C., at which time the di-n-butyltin oxide was added. The resultant mixture was then heated to the boiling point (98° C.) and maintained at that temperature for 2 hours with stirring. The liquid phase was decanted and the solid washed with 200 cc. of water. The dried solid weighed 148.85 g. (98.5% of theoretical yield) and was found to contain 33.3% by weight of tin. The theoretical tin content for the reaction product of di-n-butyltin oxide and maleic anhydride in a 2:1 molar ratio, respectively is 34.0% by weight.

후처리

  1. additionwas added
  2. temperaturemaintained at that temperature for 2 hours
  3. customThe liquid phase was decanted
  4. washthe solid washed with 200 cc
  5. custom(98.5% of theoretical yield)

출처 및 근거

ORD 기록
ord-892f408d82314589b968e22020697fcf
출처 데이터셋
uspto-grants-1978_04
특허 번호
US04085077

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