Hindered aliphatic monoisocyanates

Details Hindered aliphatic monoisocyanates Hindered aliphatic monoisocyanates

1978-11-20

1985-04-09

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C119045

Patent

active

045100977

ABSTRACT:
This invention relates to novel hindered cycloaliphatic monoisocyanates of the general formula: ##STR1## wherein R.sub.1 -R.sub.7 are members of the group consisting of H, alkyl, cycloalkyl, aryl, alkaryl, aralkyl or mixtures thereof wherein the alkyl groups contain 1-18 carbon atoms, the cycloalkyl groups contain 4-8 carbon atoms and the aryl groups contain 6-14 carbon atoms with the proviso that where R.sub.3 is a group member other than H, R.sub.1, R.sub.2, R.sub.4 and R.sub.5 can be H and with the further proviso that where R.sub.3 is H at least two of R.sub.1, R.sub.2, R.sub.4 and R.sub.5 are group members other than H and x is 1 to 7. Other novel dihindered intermediate compositions include aliphatic monoamines.

REFERENCES:
patent: 3873540 (1975-03-01), Fuchs et al.
Maddox et al., J. Med. Chem., vol. 8, pp. 230-235 (1965).
Mueller et al., Chemical Abstracts, vol. 62, 16047-16049 (1965).

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