Preparation of 1-alkenyl isocyanates

Details Preparation of 1-alkenyl isocyanates Preparation of 1-alkenyl isocyanates

1981-12-09

1984-07-10

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560 24, 560 25, C07C12506, C07C11804

Patent

active

044592361

ABSTRACT:
1-Alkenyl isocyanates are prepared by reacting aldehydes with carbamates to give N-(1-alkenyl)-carbamates and splitting these compounds at elevated temperatures. The 1,2-unsaturated isocyanates obtained are valuable starting materials for the preparation of pest control agents, dyes, drugs, textile water repellents, detergents, plastics, bleaches and adhesives, since they possess an activated double bond or an activated .alpha.-carbon atom, in addition to a reactive isocyanate group.

REFERENCES:
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Ullmanns Encyklopadie der Technischen Chemie, vol. 17, p. 204, (3rd Edition).
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Chem. High Polymers (Tokyo) 13, (1956), p. 390.
J. Polym. Sci. 35, (1959), pp. 215-218.
J. Coatings Techn. 49, (1977), pp. 82-86.
Ullmanns Encyklopadie der Technischen Chemie, vol. 9, pp. 11, 12 and 404.

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