摘要:
UCS1025 compounds represented by the following formula (I): ##STR1## wherein R represents hydrogen or hydroxyl group, or tautomers or pharmacologically acceptable salts thereof.
摘要:
An electron-beam generating device and a method of driving same, in which a number of cold cathode elements are matrix-wired, is applied to an image forming apparatus. Statistical calculations are performed in advance with regard to a required electron-beam output, and loss produced in the matrix wiring is analyzed. Drive signals are corrected by deciding optimum correction values based upon the analytical results. As a result, when rows of the matrix are driven successively row by row, the intensity of the outputted electron beams can made accurate for any driving pattern.
摘要:
In an ink jet recording method an electrical signal is input to an electro-thermal converting member to cause the heat generation of the electro-thermal converting member to thereby create a bubble in ink liquid, an ink droplet is discharged by the pressure when the bubble contracts and expands again after the expansion of the bubble has reached a maximum, and the discharged ink droplet is shot on a recording medium to thereby accomplish recording.
摘要:
A compound of the formula: ##STR1## wherein R.sup.11 is hydrogen, lower alkyl, haloloweralkyl, lower alkenyl, lower alkynyl or cycloalkyl; R.sup.21 is a group of the formula: ##STR2## wherein each of R.sup.3, R.sup.31, and R.sup.32 which may be the same or different, is hydrogen or lower alkyl, each of R.sup.4, R.sup.5, R.sup.41 and R.sup.51, which may be the same or different, is hydrogen, halogen, hydroxyl, lower alkyl or lower alkoxy, R.sup.42 is hydroxyl, halogen, R.sup.8 --O--, or R.sup.6 --X--Y-- wherein R.sup.6 is phenyl or thienyl which may have one or two substituents each of X and Y, which may be the same or different, is oxygen, sulfur, carbonyl, --CHR.sup.8 -- or --NR.sup.b, or X and Y together form a vinylene group or an ethynylene group, provided that when either one of X and Y is oxygen, sulfur or --NR.sup.b, the other is carbonyl or --CHR.sup.a, and R.sup.7 is lower alkyl or cycloalkyl which may be substituted by hydroxy or lower alkoxy, phenyl or tri-lower alkylsilyl; and W is chlorine or bromine.
摘要:
Novel DC-89 derivatives represented by general formula (I): ##STR1## wherein X represents Cl or Br; R.sup.1 represents hydrogen, CONR.sup.2 R.sup.3 (in which R.sup.2 and R.sup.3 independently represent hydrogen, a straight-chain or branched alkyl group having 1 to 4 carbon atoms or phenyl group), ##STR2## (in which n represents an integer of 4 to 7), ##STR3## (in which R.sup.4 represents oxygen, N--CH.sub.3 or N--CH.sub.2 CH.sub.2 NH.sub.2), ##STR4## (in which R.sup.5 R.sup.6 and R.sup.7 independently represent a straight-chain or branched alkyl group having 1 to 4 carbon atoms); and ##STR5## (in which Y represents hydrogen or CO.sub.2 CH.sub.3); provided that when R.sup.1 is hydrogen, CONR.sup.2 R.sup.3 or SiR.sup.5 R.sup.6 R.sup.7, ##STR6## and pharmaceutically acceptable salts thereof have an excellent anti-tumor activity and are expected to be useful as anti-tumor compositions.
摘要翻译:由通式(I)表示的新型DC-89衍生物:其中X表示Cl或Br; R1表示氢,CONR2R3(其中R2和R3独立地表示氢,具有1至4个碳原子的直链或支链烷基或苯基),其中n表示4至7的整数, (其中R 4表示氧,N-CH 3或N-CH 2 CH 2 NH 2),其中R 5和R 7独立地表示碳原子数1〜4的直链或支链烷基。 和其中Y表示氢或CO 2 CH 3)。 条件是当R 1是氢时,CONR 2 R 3或SiR 5 R 6 R 7,其药学上可接受的盐具有优异的抗肿瘤活性,并且预期可用作抗肿瘤组合物。
摘要:
A compound having the formula: ##STR1## wherein R is a straight chain or branched chain lower alkyl, cyclic lower alkyl, lower alkenyl (except for 1-carboxy-1-vinyl), lower alkynyl, aralkyl, phenyl or 2-pyrrolidon-3-yl group which may be substituted, and Q is ##STR2## (wherein R.sup.1 is a hydrogen atom or an acetyl group, R.sup.2 is a hydrogen atom, a carboxyl group or a carboxymethyl group, Y is a sulfur atom or an oxygen atom, Z is a sulfur atom, an oxygen atom or an imino group which may be substituted by a lower alkyl group); or a pharmaceutically acceptable salt, physiologically hydrolyzable ester or solvate thereof.
摘要:
A character selection mechanism for a typewriter having a single type head with characters arranged in rows and columns thereon, which mechanism comprises, for either row selection and column selection similarly, a series of cams, a series of cam followers, a series of transmitting members, and an output member, as one set. The cams are fixed on a cam shaft which is rotated once in response to depressing of any one key. Each of the cam followers is rotated by each corresponding cam and is shifted, against a biasing force, by each corresponding transmitting member from a first position to a second position in response to depressing of the corresponding key. The cam follower engages the output member at the second position for controlling its operation based on the rotation of the cam shaft. The output member is connected to the type head via a connecting mechanism.