| abstract |
This invention provides a compound having the formula R 1 -Y 1 -CHZ 1 -CH(NY 2 Y 3 )-CH 2 -Z 2 ,nwherein: R 1 is a straight-chained alkyl, alkenyl or alkynylngroup having from 8 to 19 carbon atoms in the aliphatic chain; Y 1 isn-CH=CH-, -C∥C- or -CH(OH)CH(OH)-; Z 1 is OH or a conversion-inhibitingngroup; Z 2 is a conversion-inhibiting group; Y 2 is H, phenyl group, an alkylsubstitutednphenyl group having from 1 to about 6 carbons in the alkyl chain,nor an alkyl chain having from 1 to 6 carbons; Y 3 is H or a group having thenformula -C(O)R 2 or -S(O) 2 R 2 ; R 2 is a straight-chained alkyl, alkenyl, alkynylngroup having from 1 to 23 carbon atoms in the chain; and when Z 2 is annamino, R 2 is an aliphatic chain having from 1 to 9 or from 19 to 23 carbonnatoms in the aliphatic chain. |