申请人:Pennwalt Corporation
公开号:US04569994A1
公开(公告)日:1986-02-11
Dibenzopyran derivatives which possess antihypoxia activity are 7,8,9,10-tetrahydro-6H-dibenzo[b,d]pyranyloxyaminopropanols having the formula: ##STR1## Where X is oxygen or dialkyl in which each alkyl group contains one to seven carbons (C.sub.1 -C.sub.7); R is hydrogen or alkyl containing one to seven carbons (C.sub.1 -C.sub.7); and A is --NR.sub.1 R.sub.2 where R.sub.1 and R.sub.2 may independently be hydrogen, C.sub.1 -C.sub.7 alkyl, C.sub.3 -C.sub.7 cycloalkyl, phenyl, C.sub.7 -C.sub.10 phenylalkyl, C.sub.7 -C.sub.10 phenoxyalkyl, C.sub.2 -C.sub.6 alkanol, 6-oxo-6H-dibenzo[b,d]pyran-3-yl, 2-hydroxy-3-(7,8,9,10-tetrahydro-6-oxo-6H-dibenzo[b,d]pyranyl-3-oxy)-propy l; or A is a heterocyclic ring of structure: ##STR2## where n=2 or 3; or A is a substituted heterocyclic ring of structure: ##STR3## where Y and Z may be independently hydrogen or methyl and B represents a single bond, methylene, ethylene, propylene, CH-phenyl, CHCH.sub.2 -phenyl, oxygen, sulfur, or N--R.sub.4 where R.sub.4 is hydrogen, C.sub.1 C.sub.4 alkyl, formyl, phenyl, or benzyl and where the phenyl rings may additionally be substituted with halogen, methoxy, methyl, CF.sub.3, or various combinations thereof; or where A is an unsaturated heterocyclic ring taken to be 1-imidazolyl, 1-pyrrolyl, 1-pyrazolyl or 1-[1,2,4-triazolyl].
具有抗缺氧活性的二苯并吡喃衍生物是具有以下公式的7,8,9,10-四氢-6H-二苯并[b,d]吡喃氧基氨基丙醇:##STR1##
其中X为氧或双烷基,其中每个烷基含有1至7个碳(C.sub.1-C.sub.7); R为氢或含有1至7个碳(C.sub.1-C.sub.7)的烷基; A为--NR.sub.1 R.sub.2,其中R.sub.1和R.sub.2可以独立地是氢,C.sub.1-C.sub.7烷基,C.sub.3-C.sub.7环烷基,苯基,C.sub.7-C.sub.10苯基烷基,C.sub.7-C.sub.10苯氧基烷基,C.sub.2-C.sub.6烷醇,6-氧代-6H-二苯并[b,d]吡喃-3-基,2-羟基-3-(7,8,9,10-四氢-6-氧代-6H-二苯并[b,d]吡喃基-3-氧基)-丙基; 或A为具有以下结构的杂环环:##STR2##
其中n = 2或3; 或A为具有以下结构的取代杂环环:##STR3##
其中Y和Z可以独立地是氢或甲基,B代表单键,亚甲基,乙烯基,丙烯基,CH-苯基,CHCH.sub.2-苯基,氧,硫或N--R.sub.4,其中R.sub.4为氢,C.sub.1-C.sub.4烷基,甲酰基,苯基或苄基,其中苯环还可以被卤素,甲氧基,甲基,CF.sub.3或其各种组合所取代; 或者A为取代的不饱和杂环环,其被视为1-咪唑基,1-吡咯基,1-吡唑基或1-[1,2,4-三唑基]。