摘要:
Therapeutic compositions comprising 1,8-dihyroxy-9(10H) anthracenones substituted at position 10 thereof with phenylalkylidene or arylacyl blocking moieties, said compounds having substantial therapeutic activity and minimal inflammatory effect.
摘要:
Crude 4,4'-diamino-l,l'-dianthraquinonyl-3,3'-disulfonic acids or salts thereof are purified by subjecting an aqueous solution containing the crude products to salting-out using inorganic salts, the aqueous solution being adjusted within a range of from acid to neutral region, whereby a product usable as such for the production of 4,4'-diamino-1,1'-dianthraquinonyl red pigments having excellent pigmentary properties is obtained in high yields with industrial advantages.
摘要:
Process for preparing amino- and carbamoyl-substituted anthraquinones by Diels-Alder reaction of an N-butadienylcarbamic acid ester of the formula H.sub.2 C.dbd.CH--CH.dbd.CH--NH--COOR.sup.2, wherein R.sup.2 is alkyl or phenylalkyl, with a 1,4-naphthoquinone or with 1,4-benzoquinone to form a carbamoyl-substituted hydroanthraquinone intermediate and by oxidation of this intermediate with an oxygen-containing gas in a tertiary amine and in the presence of a copper salt to obtain a carbamoyl-substituted anthraquinone product. The Diels-Alder reaction and the oxidation reaction can be carried out as a one-pot synthesis or in separate steps. The carbamic acid ester reactant provides a blocking group represented by --COOR.sup.2, and this blocking group is optionally removed by treatment of the carbamoyl-substituted anthraquinone with an alkaline hydroxide solution.
摘要:
An electrophotographic photosensitive member has a photosensitive layer on an electroconductive support. The photosensitive layer comprises a compound having a structure represented by the general formula (1) or (2) as a charge-generating material: ##STR1## wherein A.sub.1 and A.sub.3 are respectively an alkyl radical, an aralkyl radical, an aromatic radical or a heterocyclic radical which may have a substituent; A.sub.2 is hydrogen atom, or an alkyl radical, an aralkyl radical, an aromatic radical, or a heterocyclic radical which may have a substituent; A.sub.1 and A.sub.2 may be the same with or different from each other; A.sub.1 and A.sub.2 may be linked together to form a ring; and n is an integer of 1, 2, or 3.
摘要:
Iso- and heterocyclic phenylsulphonamides can be prepared by reaction of corresponding iso- and heterocyclic amines with phenylsulphonic acid derivatives. The iso- and heterocyclic phenylsulphonamides have thrombocyte aggregation-inhibiting and thromboxane A.sub.2 antagonist action and can be used in medicaments.
摘要:
The invention describes N-fluorosulfonimides which are useful as fluorinating agents. The N-fluorosulfonimides are stable, easily synthesized, and allow the introduction of fluorine into organic compounds under mild conditions.
摘要:
The present invention relates to compounds of formula (I)ArCH.sub.2 R.sup.1 (I)or a monomethyl or monoethyl ether thereof (the compound of formula (I) including these ethers may contain no more than 30 carbon atoms in total); ethers, esters, thereof; acid addition salts thereof; wherein Ar is a C.sub.15-18 fused tetracarbocyclic ring system containing 3 or 4 aromatic rings or a C.sub.17-22 fused pentacarbocyclic ring system containing 4, or 5 aromatic rings, or a substituted derivative thereof; the ring system Ar should be planar or deviate only slightly from planarity. Thus, the ring system contains a maximum of two non-aromatic carbon atoms which may be in the same ring, in which case they are adjacent, or in different rings;Ar is not perylene, fluoranthene, chrysene, pyrene, or triphenylene;R.sup.1 contains not more than eight carbon atoms and is a group ##STR1## wherein m is 0 or 1; R.sup.5 is hydrogen;R.sup.6 and R.sup.7 are the same or different and each is hydrogen or C.sub.1-5 alkyl optionally substituted by hydroxy;R.sup.8 and R.sup.9 are the same or different and each is hydrogen or C.sub.1-3 alkyl; ##STR2## is a five- or six-membered saturated carboxylic ring; R.sup.10 is hydrogen, methyl or hydroxymethyl;R.sup.11, R.sup.12 and R.sup.13 are the same or different and each is hydrogen or methyl;R.sup.14 is hydrogen, methyl, hydroxy, or hydroxymethyl.
摘要翻译:本发明涉及式(I)化合物,其中ArCH 2 R 1(I)或其单甲醚或单乙醚(包括这些醚的式(I)化合物总共可含不多于30个碳原子); 醚,酯; 其酸加成盐; 其中Ar是含有3或4个芳环的C 15-18稠合四环环体系或含有4或5个芳环的C 17-22稠合五碳环体系或其取代衍生物; 环系统Ar应该是平面的或仅偏离平面度。 因此,环系统最多含有两个非芳族碳原子,它们可以在相同的环中,在这种情况下它们相邻或在不同的环中; Ar不是苝,荧蒽,芘,芘或三亚苯; R1含有不多于8个碳原子,并且是一个基团,其中m是0或1; R5是氢; R6和R7相同或不同,各自为氢或任选被羟基取代的C 1-5烷基; R 8和R 9相同或不同,各自为氢或C 1-3烷基; 五元或六元饱和羧酸环; R 10是氢,甲基或羟甲基; R11,R12和R13相同或不同,各自为氢或甲基; R14是氢,甲基,羟基或羟甲基。
摘要:
The invention relates to new propenone oxime ethers, a method of preparing them and pharmaceutical compositions containing them.Said new propenone oxime ethers have the formula ##STR1## in which--Ar and Ar' each independentlyl denotes a phenyl group non-substituted, mono or polysubstituted, a 9-anthryl group or a naphthyl group, a pyridyl, thienyl or furyl group;R.sub.1 R.sub.2 each independently denotes hydrogen, a C.sub.1 -C.sub.4 alkyl group or together with the N-atom to which they are bonded a 1-pyrrolidinyl, piperidino, morpholino or 1-piperazinyl group;M=H, Cl, Br or a C.sub.1 -C.sub.6 alkyl groupn=2 or 3.The invention also deals with the salts of compounds of formula (I). Said compounds have good activity in the anti platelet-clotting tests and are also antagonists of the 5HT.sub.2 receptors.
摘要:
Benastatins A and B which are novel and physiologically active substances having the formula ##STR1## wherein R represents --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--, exhibit a potent immunomodifier activity, a glutathione transferase inhibition activity and an anti-microorganism activity and are therefore extremely useful for various drugs.
摘要:
A process for the preparation of anthraquinone compounds comprises reaction of phthalic anhydride with a benzene derivative in a reaction mixture containing HF and BF.sub.3 as catalyst at a first temperature up to about 30.degree. C. and, subsequently, at an elevated temperature.