摘要:
An agent for inhibiting the binding of 5.alpha.-dihydrotestosterone with androgen receptor, which comprises at least one extract from herbs or one of specific xanthone compounds, and a process for obtaining the agent.
摘要:
The present invention relates to intermediates for synthesizing BH.sub.4 and derivatives thereof. The intermediates are shown as follows; ##STR1## wherein R.sub.1 is a hydrogen atom, alkyl, aralkyl, or aryl group; R.sub.2 is an alkyl, hydroxyalkyl, or polyhydroxyalkyl group; R.sub.3 and R.sub.4 are the same or different and represent alkyl, aralkyl, or aryl group; R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are the same or different and represent a hydrogen atom or acyl group; R.sub.9 is an alkyl, aralkyl, or aryl group; R.sub.10 and R.sub.11 are the same or different and represent a hydrogen atom or acyl group; n is an integer of 5 or less; and HX is an acid. The invention also relates to a process for the preparation of L-biopterin.
摘要:
There are described novel glycosides of catechol estrogen, a method of preparing the same, and a medicament comprising one of the glycosides as an active ingredient. The glycosides are shown by the formula of ##STR1## wherein X is carbonyl group or ##STR2## R.sub.10 is hydroxyl group or glycosyloxy group, and R.sub.2 is a hydrogen atom or ethynyl group; R.sub.11 is a hydrogen atom, hydroxyl group, or glycosyloxy group; R.sub.12 is hydroxyl group or glycosyloxy group; and R.sub.13 is hydroxyl group or glycosyloxy group, in which glycosyloxy group is selected from the group consisting of glycosyloxy, galactosyloxy, mannosyloxy, arabinosyloxy, ribosyloxy, xylosyloxy, fructosyloxy, rhamnosyloxy, fucosyloxy, maltosyloxy, cellobiosyloxy, lactosyloxy, sucrosyloxy, maltotriosyloxy, maltotetraosyloxy, maltopentaosyloxy, maltohexaosyloxy, maltoheptaosyloxy, and sialosyloxy, and in this case, at least one of R.sub.10, R.sub.11, R.sub.12, and R.sub.13 is glycosyloxy group as defined above.
摘要:
There are described novel glycosides of catechol estrogen, a method of preparing the same, and a medicament comprising one of the glycosides as an active ingredient. The glycosides are shown by the formula of ##STR1## wherein X is carbonyl group or ##STR2## R.sub.10 is hydroxyl group or glycosyloxy group, and R.sub.2 is a hydrogen atom or ethynyl group; R.sub.11 is a hydrogen atom, hydroxyl group, or glycosyloxy group; R.sub.12 is hydroxyl group or glycosyloxy group; and R.sub.13 is hydroxyl group or glycosyloxy group,in which glycosyloxy group is selected from the group consisting of glucosyloxy, galactosyloxy, mannosyloxy, arabinosyloxy, ribosyloxy, xylosyloxy, fructosyloxy, rhamnosyloxy, fucosyloxy, maltosyloxy, cellobiosyloxy, lactosyloxy, sucrosyloxy, maltotriosyloxy, maltotetraosyloxy, maltopentaosyloxy, maltohexaosyloxy, maltoheptaosyloxy, and sialosyloxy, and in this case, at least one of R.sub.10, R.sub.11, R.sub.12, and R.sub.13 is glycosyloxy group as defined above.
摘要:
There are disclosed a composition containing 9-cis .beta.-carotene in high-purity and an industrially applicable method of obtaining the same from an alga. The composition can be obtained through steps of washing with ethanol dry powder of the alga belonging to Dunaliella, adding hexane to the washed algal powder, stirring the same, subjecting the same to filtration to obtain a filtrate, concentrating the filtrate to obtain a semi-solidic concentrate, adding hexane to the semi-solidic concentrate in an amount of 10-18 ml of hexane to 1 g of the semi-solidic concentrate, stirring the same, subjecting the same to filtration to obtain a filtrate, concentrating the filtrate to obtain an oily concentrate, adding hexane to the oily concentrate in an amount of 2-4.5 ml of hexane to 1 g of the oily concentrate to dissolve the same, and leaving the solution, as it is, under lower temperature condition to cause a separation of the composition. The composition is a rubiginous powder or crystals and contains 9-cis .beta.-carotene in an amount of 75% or more to total amount of the composition.
摘要:
An image forming system includes an image forming apparatus including a heating fixing portion and a host computer capable of instructing printing. In the image forming apparatus, throughput can be changed and discriminated in accordance with a printing number. For printing on small size sheets, the system is operable in a normal small size sheet mode and in a high speed small size sheet output mode, in which the printing is effected at a throughput which is higher than that in the normal small size sheet mode and, after completion of the printing, the image forming apparatus rests for a predetermined rest period. The host computer includes a mode selector for selecting a mode from the high speed small size sheet output mode and the normal small size sheet mode, and a controller for transmitting the mode selected by the mode selector to the image forming apparatus.
摘要:
According to one embodiment, a pulse wave velocity measuring device includes a first sensor, a second sensor, a base body and a calculation unit. The first sensor is configured to sense a pulse wave propagating through an interior of a vessel. The second sensor is separated from the first sensor and is configured to sense the pulse wave. The base body is configured to hold the first sensor and the second sensor and regulate a distance between the first sensor and the second sensor. The calculation unit is configured to derive a difference between a time of the sensing of the pulse wave by the first sensor and a time of the sensing of the pulse wave by the second sensor.
摘要:
A vehicle control device where, the transmission apparatus is provided with a state in which the rotational driving force is not transmitted from the output member to the input member when a first engaging element is engaged; the vehicle control device is provided with a control unit that controls the transmission apparatus to engage the first engaging element by a hydraulic pressure from the electric pump for implementing the state in an idle stop state in which the vehicle is in a moving state and the engine is stopped; in a case where a travel speed of the vehicle is not greater than a predetermined release threshold value, the first engaging element is engaged by the hydraulic pressure from the electric pump; and in a case where the travel speed of the vehicle is greater than the predetermined release threshold value, all of the engaging elements are released.
摘要:
The task is accomplished by an image forming system comprising an image forming apparatus including a heating fixing portion and a host computer capable of instructing printing. In an image forming apparatus, a throughput can be changed and discriminated in accordance with a printing number, wherein for printing on a small size sheet, said system is operable in a normal small size sheet mode, and in a high speed small size sheet output mode in which the printing is effected at a throughput which is higher than in the normal small size sheet mode, and after completion of the printing, the image forming apparatus rests for a predetermined rest period, wherein said host computer includes a mode selector for selecting a mode from the high speed small size sheet output mode and the normal small size sheet mode, and a controller for transmitting the mode selected by said mode selector to said image forming apparatus.
摘要:
An image forming apparatus includes an image carrying member and an intermediate transfer body in an endless shape movable and receivable of toner images from said image carrying member at first and second transfer positions. The following relationship is satisfied where a distance from the first transfer position to the second transfer position along the moving direction of the intermediate transfer body is denoted as Lab, a circumference of the intermediate transfer in the moving direction is denoted as Lr, and a length of the toner image formed on the intermediate transfer body is denoted as Lm−Lr−Lm>Lab.