摘要:
PROBLEM TO BE SOLVED: To provide compositions and methods for preventing and/or treating diseases caused by abnormal cellular proliferation, abnormal angiogenesis or a combination thereof.SOLUTION: Described herein are compositions and methods for preventing and/or treating diseases caused by abnormal angiogenesis employing a series of benzo[c]chromen-6-one derivatives, demonstrating enhanced anti-proliferative effects against human endothelial cells for the treatment of a variety of diseases, including, but not limited to, cancer.
摘要:
The invention is aimed at a compound of formula (I) wherein n is 0, 1 or 2, R 1 is a linear or branched alkyl group, R 2 is selected from a substituted or non substituted alkyl group, substituted or non substituted aryl group, substituted or non substituted aralkyl group, substituted or non substituted heterocyclyl group, or a substituted or non substituted heterocyclylalkyl group. Another object of the invention is a process for obtaining these compounds from the corresponding compound with a hydroxy group in position 4 by means of reacting with a sulfonamide in the presence of a phosphine and a dialkyl azadicarboxylate. The deprotection of the compound of formula (I) gives rise to the corresponding amine. The intermediate and the processes described are very useful in the synthesis of pharmaceutical products.
摘要:
PROBLEM TO BE SOLVED: To provide a PLG copolymer material.SOLUTION: A PLG copolymer material, termed a PLG(p) copolymer material, adapted for use in a controlled release formulation for a bioactive material is provided, wherein the formulation exhibits a reduced "initial burst" effect when introduced into the tissue of a patient in need thereof. A method of preparation of the PLG copolymer material is also provided. The invention provides a biocompatible, biodegradable PLG low-burst copolymer material, termed a PLGp or a PLG(p) copolymer, adapted for use in a controlled release formulation, wherein the low-burst copolymer material is characterized by a weight average molecular weight of about 10 kDa to about 50 kDa and a polydispersity index of about 1.4-2.0, and from which a copolymer fraction characterized by a weight average molecular weight of about 4 kDa to about 10 kDa and a polydispersity index of about 1.4 to 2.5 has been separated.
摘要:
PROBLEM TO BE SOLVED: To provide a dorzolamide hydrochloride ophthalmic solution with decreased eye irritancy. SOLUTION: In the ophthalmic solution which contains dorzolamide hydrochloride (its chemical name is (-)-(4S, 6S)-4-ethylamino-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide monohydrochloride) as an active constituent, the condition for decreasing eye irritancy is discovered. The ophthalmic solution prepared by dissolving dorzolamide hydrochloride in purified water, etc., causes eye irritancy at the time of instillation of drop. Though the pH of the ophthalmic solution, which is exemplified as one cause of eye irritant property, is generally confirmed to be 5.5-5.9 in the acidic region, the condition decreasing the eye irritancy during the instillation of a dorzolamide hydrochloride ophthalmic solution is found to be especially 6.5-8.5 in the neutral region of pH. COPYRIGHT: (C)2010,JPO&INPIT