📜3-氨基吡嗪-2-羧酸甲酯置于硫酸,水,Sodium Hydroxide体系中,用 甲醇,水 用作溶剂,化学反应 2.41H,反应生成3-羟基-2-吡嗪甲酸 参考文献: Alpha 7 Nicotinic Acetylcholine Allosteric Modulators,Their Derivatives And Uses Thereof[fr] Modulateurs Allostériques De Récepteurs Nicotiniques De L'Acétylcholine De Type Alpha 7,Leurs Dérivés Et Utilisations 标题: Alpha 7 Nicotinic Acetylcholine Allosteric Modulators,Their Derivatives And Uses Thereof[fr] Modulateurs Allostériques De Récepteurs Nicotiniques De L'Acétylcholine De Type Alpha 7,Leurs Dérivés Et Utilisations 摘要:本申请涉及公式i所代表的化合物,这些化合物是al Nachrs的新型正向变构调节剂.该申请还披露了通过给哺乳动物施加公式i化合物的有效量来增强乙酰胆碱对al Nachrs的作用以治疗对增强乙酰胆碱作用有反应的疾病.
专利号:EP-1551403-B1 优先权日:2002-10-10 标 题 :5-substituted 2h-pyrazone-3-carboxylic acid derivatives as antilipolytic agents for the treatment of metabolic-related disorders such as dyslipidemia 发明人:SEMPLE GRAEME; AVERBUJ CLAUDIA; SKINNER PHILIP; GHARBAOUI TAWFIK; SHIN YOUNG-JUN 权利人:ARENA PHARM INC 摘要:The present invention relates to certain pyrazole carboxylic acid derivatives of Formula (Ia), and pharmaceutically acceptable salts thereof, as antilipolytic agents and against for the receptor RUP25, wherein: R2 is H, halogen, C1-12 alkyl or C1-12 haloalkyl; and R3 is C3-6 cycloalkyl, C1-12 alkyl, C1-12 haloalkyl, C3-6 cycloalkyl-C1-4-alkylene, aryl-C1-4-alkylene or heteroaryl-C1-4-alkylene, wherein said aryl-C1-4-alkylene and heteroaryl-C1-4-alkylene can be optionally substituted 1 to 5 substituents selected from the substituents listed in the claims. Also provided by the present invention are pharmaceutical compositions containing compounds of the invention, and methods of using the compounds and compositions of the invention in the treatment of metabolic-related disorders, including dyslipidemia, atherosclerosis, coronary heart disease, insulin resistance, type 2 diabetes, Syndrome-X and the like. In addition, the present invention also provides for pharmaceutical compositions in combination with other active agents, for example, those agents belonging to the class of alpha-glucosidase inhibitors, aldose reductase inhibitors, biguanides, HMG-CoA reductase inhibitors, squalene synthesis inhibitors, fibrates, LDL catabolism enhancers, angiotensin converting enzyme (ACE) inhibitors, insulin secretion enhancers, thiazolidinedione and the like.
专利号:CN-114539169-A 优先权日:2020-11-18 标题 :A kind of pyrazine ring synthesis method containing substituent