Chloroprene → 4-Chloro-3,6-dihydrophthalic anhydride

반응식

[CH2:1]=[CH:2][C:3]([Cl:5])=[CH2:4].Br[C:7]1[C:8]([O:10][C:11](=[O:13])[CH:12]=1)=[O:9]>>[Cl:5][C:3]1[CH2:4][C:12]2[C:11](=[O:13])[O:10][C:8](=[O:9])[C:7]=2[CH2:1][CH:2]=1

참가 물질

반응물 2

HCID 31369Chloroprene

HCID 800273-Bromo-2,5-furandione

생성물 1

HCID 109869774-Chloro-3,6-dihydrophthalic anhydride

반응 조건

온도: 50 °C

실험 절차

Chloroprene (13.6 g) and bromomaleic anhydride 14.6 g) were added together and the solution was heated to 50° C. for 11.5 hours. The reaction mixture was taken up in hot petroleum ether (bp 60° to 80° C.) and filtered. After cooling to room temperature, a solid was collected (6.2 g)- An additional 5 g of material remained in the mother liquors. The material consisted of a mixture of 4-chloro-3,6-dihydrophthalic anhydride, 4-chloro-l-bromo-1,2,3,6-tetrahydrophthalic anhydride and 4-chloro-2-bromo-1,2,3,6-tetrahydrophthalic anhydride.

후처리

filtrationfiltered
temperatureAfter cooling to room temperature
customa solid was collected (6.2 g)- An additional 5 g of material
additionThe material consisted of a mixture of 4-chloro-3,6-dihydrophthalic anhydride, 4-chloro-l-bromo-1,2,3,6-tetrahydrophthalic anhydride and 4-chloro-2-bromo-1,2,3,6-tetrahydrophthalic anhydride

출처 및 근거

ORD 기록: ord-2016bcdf934c4dff89ea01fa72006086
출처 데이터셋: uspto-grants-1994_06
DOI: 10.6084/m9.figshare.5104873.v1
특허 번호: US05322954

반응 노트

불러오는 중…