Isopropenylphosphonic dichloride synthesis
- Product Name:Isopropenylphosphonic dichloride
- CAS Number:3944-27-2
- Molecular formula:C3H5Cl2OP
- Molecular Weight:158.95
Yield:3944-27-2 78%
Steps:
4 EXAMPLE 4
EXAMPLE 4 75 g of 1-methylvinylphosphonic acid dimethyl ester were introduced into the apparatus described in Example 1. Phosgene was introduced at a temperature of from 100° -110°C while stirring vigorously for 7 hours. Subsequently the mixture was distilled. 62 g of 1-methyl vinylphosphonic acid dichloride were obtained, b.p. 40°C/0.03 mm Hg corresponding to a yield of 78 percent of the theory.
References:
US3950413,1976,A
4167-10-6
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3944-27-2
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4721-36-2
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66833-71-4
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