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Benzene, 1,2-difluoro-4-[(1E)-2-isocyanatoethenyl]- synthesis

2synthesis methods
2-Propenoyl azide, 3-(3,4-difluorophenyl)-, (2E)-

211568-07-9
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Benzene, 1,2-difluoro-4-[(1E)-2-isocyanatoethenyl]-

936366-62-0
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Yield:-

Reaction Conditions:

in benzene; for 3 h;Heating / reflux;

Steps:

6

Compound 6d (3.4 g, 16.3 mmol) was dissolved in benzene (30 mL) and refluxed for 3 h. The solution was concentrated under reduced pressure at rt and the resulting crude Compound 6e was used without purification in the next reaction.

References:

US2005/176769,2005,A1 Location in patent:Page/Page column 50