| 摘要 |
A compound of formula (I), wherein the radicals A, X, R<1>, R<2>, and R<3> are defined as follows: A: formula (a) or formula (b); X: (a) O; (b) S; (c) CH2; R<1>: H; alkyl containing 1-3 carbon atoms; -CH=CH2; -CH=CH-CH3; -CH2-CH=CH2; formula (II); -C=CH; R<2>: H; or R<2> constitutes together with R<3> a carbon-carbon bond; R<3>: H; F; Cl; Br; I; N3; CN; C=CH; OH; OCH3; CH2OH; and when R<3> is F; Cl; Br; I; N3; CN; C=CH; OH; OCH3 or CH2OH it may have either the cis-configuration or trans-configuration relative to the hydroxymethyl function at position 4', or R<3> constitutes together with R<2> a carbon-carbon bond, and therapeutically acceptable salts thereof, for use in therapy, in particular for the treatment of HIV virus infections. |
