摘要:
Disclosed are a compound of the general formula ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and each represents a hydrogen atom, an alkyl group or an acyl group, process for the production thereof and use thereof. The compounds have an antitumor activity, and those wherein both of R.sub.1 and R.sub.2 represent a hydrogen atom or an acyl group are novel compounds.
摘要:
Disclosed are a compound of the general formula ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and each represents a hydrogen atom, an alkyl group or an acyl group, process for the production thereof and use thereof. The compounds have an antitumor activity, and those wherein both of R.sub.1 and R.sub.2 represent a hydrogen atom or an acyl group are novel compounds.
摘要:
Sulfonium compounds represented by the formula ##STR1## have anticancer activity, immunostimulant activity and the like, and useful as the active components of drugs and agricultural chemicals.
摘要:
Sulfonium compounds represented by the formula ##STR1## having immunostimulant activity and useful as the active components of drugs and agricultural chemicals.
摘要:
A 5-fluoropyrimidin-4-one derivative represented by the formula ##STR1## wherein R is straight-chain or branched-chain alkyl having 4 to 18 carbon atoms, straight-chain or branched-chain alkenyl having 2 to 18 carbon atoms, alkylene oxido having 3 to 10 carbon atoms, aryl or aralkyl;Processes for preparing the derivative;An anti-tumor composition containing the derivative as an effective component and an excipient.
摘要:
A piezoelectric transformer inverter includes an inverter unit and a step-down chopper unit. The inverter unit includes a ceramic piezoelectric transformer whose secondary terminal is to be connected to a fluorescent tube, a drive unit which is connected to a primary terminal of the ceramic piezoelectric transformer, and an inverter control circuit for controlling luminance of the fluorescent tube to a desired value. The step-down chopper unit includes a switching device which is disposed on the side where the voltage of the inverter unit is input, a free wheeling device connected between the switching device and a reference potential, and a PWM feedback control circuit for providing a feedback control to maintain an average voltage of the rectangular-wave voltage of the switching device constant. In the piezoelectric transformer inverter, even when the feedback control by the PWM feedback control circuit is impossible, the on-duty of the chopper unit is restricted so that it is not greater than a given amount.
摘要:
A 5-fluoropyrimidin-4-one derivative represented by the formula ##STR1## wherein R is straight-chain or branched-chain alkyl having 4 to 18 carbon atoms, straight-chain or branched-chain alkenyl having 2 to 18 carbon atoms, alkylene oxido having 3 to 10 carbon atoms, aryl or aralkyl;Processes for preparing the derivative;An anti-tumor composition containing the derivative as an effective component and an excipient.
摘要:
A bicyclolactam compound of the formula (1) is disclosed, which has an excellent anxiolytic effect, is high in safety, and is useful as an effective component of medicinals which are greatly diminished in side effects such as hypnotic, muscle relaxant and sedative effects ##STR1## A bicyclolactam derivative represented by the following formula (1) is also disclosed, and is useful as an effective component of an anxiolytic agent ##STR2##
摘要:
This invention provides novel sulfonium compounds, processes for the preparation of the sulfonium compounds, and pharmacological composition containing the sulfonium compound. The compounds of this invention are useful for treating allergy.
摘要:
A piperazine derivative represented by the formula (I) below ##STR1## wherein R.sup.1 is lower alkyl or phenyl, R.sup.2 is hydrogen or lower alkyl, n is an integer of 2 to 10, is useful as an effective component of anti-inflammatory agent or antiallergic agent.