particular being more active to G. cingulate, with IC50 values of 16.50 and 19.25 μg/mL, respectively, than the other pathogens. Preliminary SAR indicated that an α,β-unsaturatedketone unit of the alkyl chain of the compounds is the structure requirement for fungicidal action. The results suggested that 2g and 2h may be promising leads in the development of new antifungal agents.
合成了17种简单的1-(2,4-二羟基苯基)乙酮,其结构经1 H,13 C NMR和ESI-MS表征。他们的体外抗真菌活性对五种植物病原真菌包括评估炭疽病扣,番茄灰霉病菌,镰刀菌,弯孢菌叶斑病和枯萎病F。sp。通过菌丝体生长抑制试验检测血管感染。化合物2g和2h对被测病原体的菌丝体生长具有广谱抑制活性,IC 50为其值在16–36μg/ mL的范围内,尤其对扣带菌G. cing活跃,与其他病原体相比,IC 50值分别为16.50和19.25μg/ mL。初步SAR表明,化合物烷基链的α,β-不饱和酮单元是杀真菌作用的结构要求。结果表明2g和2h可能是开发新型抗真菌剂的有前途的线索。
Topical Delivery System for Antiaging and Skin Whitening Agents
申请人:GUPTA SHYAM K.
公开号:US20090074691A1
公开(公告)日:2009-03-19
This invention relates to certain hydroxyaryl alkanols, alkyl amines, alkyl amino acids, alkyl amino esters, and alkyl amino alkanols (“Hydroxyaryl compounds”) of formula (I). A method of topical application of said hydroxyaryl compounds is also disclosed. The treatment of certain enzyme dysfunctions that cause skin or hair condition such as darkened skin including age spots, dark circles around the eyes, and discoloration of skin from stretch marks; skin conditions related to acne including excess facial oil and facial pore size; premature hair aging including hair loss and graying; inflammation including intra-cellular and extra-cellular inflammation; skin aging including wrinkles and fine lines; loss of collagen including thinning skin and loss of skin pliability; malfunction of tyrosinase group of enzymes; and malfunction of matrix metalloprotease group of enzymes with said hydroxyaryl compounds is also disclosed: