申请人:GUPTA SHYAM K.
公开号:US20090042846A1
公开(公告)日:2009-02-12
This invention relates to certain sugar esters of phytosterols of formula (I). These esters are useful for topical application, and for the treatment of skin condition, including age spots, acne, loss of cellular antioxidants, collagen loss, loss of skin pliability, loss of skin suppleness, skin wrinkles including fine lines, oxidation, damage from radiation, malfunction of matrix metalloproteases, malfunction of tyrosinases, damage from free radicals, damage from UV, dry skin, xerosis, ichthyosis, dandruff, brownish spots, keratoses, melasma, lentigines, liver spots, pigmented spots, dark circles under the eyes, skin pigmentation including darkened skin, blemishes, oily skin, warts, eczema, pruritic skin, psoriasis, inflammatory dermatoses, topical inflammation, disturbed keratinization, skin changes associated with aging, nail or skin requiring cleansers, conditioning or treatment, and hair or scalp requiring shampooing or conditioning, and combinations thereof;
Wherein,
n=0, 1, 2, or 3; and
R=H, —CH
2
OH, —CH(OH)—CH
2
OH, —CH(OH)—CH(OH)—CH
2
OH; and
R
1
=Substituent selected from a sapogenin, steroid, or terpenoid.
本发明涉及公式(I)的植物甾醇糖酯,这些酯类适用于局部应用,并用于治疗皮肤状况,包括老年斑、痤疮、细胞抗氧化剂的丧失、胶原蛋白的丧失、皮肤柔韧性的丧失、皮肤柔软性的丧失、皮肤皱纹包括细纹、氧化、辐射损伤、基质金属蛋白酶的功能障碍、酪氨酸酶的功能障碍、自由基的损伤、紫外线的损伤、干燥皮肤、角化病、鱼鳞病、头皮屑、褐色斑点、角化病、黄褐斑、肝斑、色素斑点、眼圈黑色素沉着、皮肤色素沉着包括皮肤变黑、瑕疵、油性皮肤、疣、湿疹、瘙痒性皮肤、银屑病、炎症性皮肤病、局部炎症、角化异常、与衰老相关的皮肤变化、需要清洁剂、调理剂或治疗剂的指甲或皮肤,以及需要洗发水或护发素的头发或头皮,以及其组合;其中,n = 0、1、2或3;R = H、—CH2OH、—CH(OH)—CH2OH、—CH(OH)—CH(OH)—CH2OH;R1 = 从皂甙、类固醇或萜类中选择的取代基。