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    • 4. 发明授权
    • Retinol derivatives useful for enhancing immune response
    • 视黄醇衍生物可用于增强免疫反应
    • US5908868A
    • 1999-06-01
    • US331627
    • 1995-06-05
    • Jochen BuckUlrich HammerlingFadila DerguiniKoji Nakanishi
    • Jochen BuckUlrich HammerlingFadila DerguiniKoji Nakanishi
    • A61K31/07C07D303/14C07F7/18C12N5/078C12N5/0783C12N15/67C12P23/00A61K31/045A61K31/075
    • C12P23/00A61K31/045A61K31/07A61K31/075C07C403/08C07C403/10C07C403/12C07C403/20C07D303/14C07F7/184C12N15/67C12N5/0636C12N5/065C07B2200/07C07B2200/09C07C2101/16C12N2501/385
    • The present invention provides a purified retinoid compound characterized by a molecular mass of about 320 daltons and an atomic composition of C.sub.20 H.sub.32 O.sub.3. The present invention also provides a purified retinoid compound having the following structure: ##STR1## wherein the configuration of C7, C9, and C11 double bond independently is Z or E and the absolute configuration at C13 and C14 is independently R or S; wherein R1 is hydroxyl, alkyl, alkyl halide, alcohol, ester, ether, aldehyde, ketone, carboxylic acid, carboxylic ester, acyl halide, amide, nitrile, or amine; wherein R2 and R3 are independently hydroxyl, halide, alkoxy, ester, alkyl, alcohol, ether, aldehyde, ketone, carboxylic acid, carboxylic ester, nitrile, amine, azide, alkyl halide, acid halide, acid azide, or amide; or wherein R2 and R3, or R1 and R2 are replaced by a 13,14-oxirane or a 14,15-oxirane group, respectively. Also provided by this invention is a pharmaceutical composition which comprises the compound above and a pharmaceutically acceptable carrier. This invention further provides a growth medium comprising the compound above at a concentration effective to enhance cell growth. Additionally, the present invention provides a method of enhancing the growth of a cell, a method for enhancing an immune response in a subject, and a method for enhancing transcription of a gene regulated by a retinoid in a cell.
    • PCT No.PCT / US93 / 04323 Sec。 371日期:1995年5月6日 102(e)日期1995年5月6日PCT提交1993年5月6日PCT公布。 公开号WO93 / 22267 日期:1993年11月11日本发明提供一种纯化的类视黄醇化合物,其特征在于分子量为约320道尔顿,原子组成为C20H32O3。 本发明还提供具有以下结构的纯化类视黄醇化合物:其中C7,C9和C11双键独立的构型是Z或E,C13和C14的绝对构型独立地是R或S; 其中R1是羟基,烷基,烷基卤,醇,酯,醚,醛,酮,羧酸,羧酸酯,酰基卤,酰胺,腈或胺; 其中R2和R3独立地是羟基,卤素,烷氧基,酯,烷基,醇,醚,醛,酮,羧酸,羧酸酯,腈,胺,叠氮化物,烷基卤,酰卤,叠氮化物或酰胺; 或其中R2和R3,或R1和R2分别被13,14-环氧乙烷或14,15-环氧乙烷基团取代。 本发明还提供了包含上述化合物和药学上可接受的载体的药物组合物。 本发明进一步提供包含上述化合物的生物培养基,其浓度有效地增强细胞生长。 此外,本发明提供增强细胞生长的方法,增强受试者的免疫应答的方法,以及增强细胞中类视黄醇调节基因转录的方法。
    • 9. 发明授权
    • Catalyst for the polymerization of olefins and process for the
polymerization of olefins
    • 用于烯烃聚合的催化剂和烯烃聚合方法
    • US5498770A
    • 1996-03-12
    • US309885
    • 1994-09-20
    • Motoki HosakaKenji GotoMasahiko Matsuo
    • Motoki HosakaKenji GotoMasahiko Matsuo
    • C08F4/658C07F7/18C08F10/00C08F110/06C08F4/656
    • C08F10/00C07F7/184C08F110/06
    • A catalyst for the polymerization of olefins comprising (A) a solid catalyst component essentially containing magnesium, titanium, an electron donor compound, and a halogen which is prepared by contacting a magnesium compound, a titanium halide compound, and an electron donor compound, (B) an organoaluminum compound, and (C) an organosilicon compound and a process for polymerizing an olefin using the same are disclosed, the organosilicon compound (C) being represented by formula (I): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R.sup.3 and R.sup.4, which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms, or a halogen atom; and m and n each represents 0 or an integer of 1 or 2. A polyolefin having high stereoregularity and broad molecular weight distribution can be obtained in high yield.
    • 一种用于烯烃聚合的催化剂,包括(A)基本上含有镁,钛,电子给体化合物和卤素的固体催化剂组分,其通过使镁化合物,卤化钛化合物和电子给体化合物接触而制备( B)有机铝化合物和(C)有机硅化合物和使用其的使烯烃聚合的方法,有机硅化合物(C)由式(I)表示:其中R1和R2 其可以相同或不同,各自表示具有1至3个碳原子的烷基; R 3和R 4可以相同或不同,各自表示具有1至3个碳原子的烷基或卤素原子; m和n各自表示0或1或2的整数。可以高产率获得具有高立构规整性和宽分子量分布的聚烯烃。