The invention concerns pyrazine derivatives of formula (1) in which a pharmaceutical composition comprising at least one compound of formula:
in which
R represents a nitrogen atom, R1 and R3 each represent the same radical selected from the group consisting of —CO—NR5R6, —CO—N(CH(CH2OH)2)2, —CO—N(CH2OH)2, —CO—N(CH2—CH(CH2OH)2)2, —CO—N(CH2—(CHOH)n—CH2OH)2 in which n is equal to 0, 1, 2, 3 or 4, —CH2—O—R6, —NR5—CO—R6, —CH2—NR5R6, —CH2—N(CH2OH)2, —CH2—N(CH2—(CHOH)y—CH2OH)2 in which y is equal to 0, 1, 2, 3 or 4, —CH2—N(CH(CH2OH)2)2 and —CH2—N(CH2—CH(CH2OH)2)2 and R2 and R4 each represents a hydrogen atom,
R5 represents a hydrogen atom or an alkyl radical,
R6 represents a radical —CH2—(CHOH)m—CH2OH in which m is equal to 0, 1, 2, 3 or 4, -alk-O-alk-CH2OH, -alk-O-alk, —CH(CH2OH)2, —C(CH2OH)3, —C(CH3) (CH2OH)2, —CH2—CH(CH2OH)2 or —CH(CH2OH)—(CHOH)x—CH2OH in which x is equal to 1, 2, 3 or 4, alk represents an alkyl radical, the alkyl radicals containing, unless otherwise stated, 1 to 6 carbon atoms in a straight or branched chain, stereoisomers thereof and salts thereof with an inorganic or organic acid and their preparation.
本发明涉及通式(1)的
吡嗪衍
生物,其中包含至少一种通式为:的化合物,其中R表示氮原子,R1和R3各自表示从以下组中选择的相同基团:—CO—NR5R6, —CO—N(CH( OH)2)2, —CO—N( OH)2, —CO—N(
CH2—CH( OH)2)2, —CO—N( —(CHOH)n— OH)2(其中n等于0, 1, 2, 3或4), — —O—R6, —NR5—CO—R6, — —NR5R6, — —N( OH)2, — —N( —(CHOH)y— OH)2(其中y等于0, 1, 2, 3或4), — —N(CH( OH)2)2和— —N( —CH( OH)2)2,R2和R4各自表示氢原子,R5表示氢原子或烷基基团,R6表示基团— —(CHOH)m— OH(其中m等于0, 1, 2, 3或4), -烷基-O-烷基- OH, -烷基-O-烷基, —CH( OH)2, —C( OH)3, —C(
CH3)( OH)2, — —CH( OH)2或—CH( OH)—(CHOH)x— OH(其中x等于1, 2, 3或4),烷基表示烷基基团,除非另有说明,烷基基团包含1至6个碳原子,可以是直链或支链,以及其立体异构体和与无机或有机酸形成的盐及其制备方法。