Omega halogenated fatty acids

Details Omega halogenated fatty acids Omega halogenated fatty acids

C - Chemistry, Metallurgy

07

C

260/486.6, 260/5

C07C 53/19 (2006.01) A61K 51/04 (2006.01) C07C 57/52 (2006.01) C07C 59/21 (2006.01) C07C 59/315 (2006.01) C07C 59/347 (2006.01) C07C 59/42 (2006.01)

Patent

CA 1221105

OMEGA HALOGENATED FATTY ACIDS Abstract of the Disclosure A novel process of preparing known and novel pharmaceutically useful omega substituted radioactive isomers of fatty acids from industrially available macrocyclic musk lactones, lactones and dilactones is disclosed. The process involves saponifying a lactone or dilactone, treating the resulting omega substituted hydroxy fatty acid to render the omega position recep- tive to the substitution of a radioactive isomer of a suitable substituent radical, and substituting a radio- active imaging isomer of a suitable substituent radical in the fatty acid at the omega position. The process provides an inexpensive and secure source of 16-iodo- hexadecanoic acid and 17-iodo-heptadecanoic acid which are valuable known radioactive imaging compounds. The novel process also provides a ready and inexpensive access to a large number of novel omega substituted radioactive isomers of fatty acids including novel omega halogenated fatty acid analogs.

436822

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