Unsymmetrical polynitrocarbonates and methods of preparation

Details Unsymmetrical polynitrocarbonates and methods of preparation Unsymmetrical polynitrocarbonates and methods of preparation

1981-01-13

1982-06-01

Sutto, Anton H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

149 88, 260455B, C07C 6996, C07C 6802

Patent

active

043327443

ABSTRACT:
Unsymmetrical carbonates of the formula ##STR1## are prepared by the following reaction sequence ##STR2## where R and R' can each be --CH.sub.2 C(NO.sub.2).sub.3, CH.sub.2 CF(NO..2).sub.2, --CH.sub.2 CF.sub.2 (NO.sub.2), --CH.sub.2 CCl(NO.sub.2).sub.2, --CH.sub.2 CF.sub.3, --CH.sub.2 CCl.sub.3, --CH.sub.2 C(NO.sub.2).sub.2 CH.sub.3, or --CH.sub.2 CF.sub.2 CF.sub.2 H, provided that R.noteq.R' and wherein R" is a lower alkyl group of from 1 to 6 carbon atoms.
Also included are symmetrical 1,3-bis(halo- and nitroalkyl carbonyldioxy)-2,2-dinitropropanes of the formula ##STR3## which are synthesis by the following reaction sequence ##STR4## wherein R and R" are as defined above. The carbonates of this invention are useful as energetic additives to propellants and explosive.

REFERENCES:
patent: 3274259 (1966-09-01), Hartman
patent: 3375266 (1968-03-01), Hill
patent: 3784422 (1974-01-01), Rocklin
patent: 3850978 (1974-11-01), Gilligan et al.
patent: 3962349 (1976-06-01), Adolph
patent: 4001291 (1977-01-01), Adolph

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