摘要:
A process for producing 1-aminoanthraquinones represented by formula (C) ##STR1## wherein R.sup.1 and R.sup.2, independently from each other, denote one type selected from a hydrogen atom, an alkyl group having 1 to 4 carbon atoms and a halogen atom,which comprises converting 5-nitro-1,4,4a,9a-tetrahydroanthraquinones represented by formula (A) ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, into 1-hydroxylaminoanthraquinones represented by formula (B) ##STR3## wherein R.sup.1 and R.sup.2 are as defined above, in the presence of a basic compound, and electrolytically reducing the resulting 1-hydroxylaminoanthraquinones in the presence of a basic compound.
摘要:
A process for producing 1-aminoanthraquinone, which comprises(a) a step of oxidizing 1-nitronaphthalene in the liquid phase with an acidic aqueous solution containing a ceric ion as an oxidizing agent and separating crystals containing 5-nitro-1,4-naphthoquinone and the acidic aqueous solution containing a cerium ion from the resulting reaction mixture,(b) a step of subjecting the 5-nitro-1,4-naphthoquinone obtained in step (a) to Diels-Alder reaction with 1,3-butadiene in a solvent, precipitating crystals containing the resulting 5-nitro-1,4,4a,9a-tetrahydroanthraquinone, separating them by filtration, separating and recovering the unreacted 1-nitronaphthalene and the solvent in the filtrate in a separation tower, and recycling 1-nitronaphthalene to step (a) for use as the starting material and re-using the recovered solvent for the Diels-Alder reaction,(c) a step of reducing 5-nitro-1,4,4a,9a-tetrahydroanthraquinone obtained in step (b), separating crystals containing 1-aminoanthraquinone and purifying them, and(d) a step of electrolytically oxidizing the acidic aqueous solution containing a cerium ion separated in step (a) to convert the cerous ion in the acidic aqueous solution to a ceric ion and recycling the resulting acidic aqueous solution containing a ceric ion to step (a) for re-use as the oxidizing agent.
摘要:
A process for producing 1-aminoanthraquinones represented by the formula (C) ##STR1## wherein R.sup.1 and R.sup.2, independently from each other, denote one type selected from a hydrogen atom, an alkyl group having 1 to 4 carbon atoms and a halogen atom,which comprises converting 5-nitro-1,4,4a,9a-tetrahydroanthraquinones respresented by formula (A) ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, into 1-hydroxylaminoanthraquinones represented by formula (B) ##STR3## wherein R.sup.1 and R.sup.2 are as defined above, in the presence of a basic compound, and electrolytically reducing the resulting 1-hydroxylaminoanthraquinones in the presence of a basic compound.
摘要:
A process for preparation of a 2-substituted-1,4-naphthoquinone which comprises oxidizing a 2-substituted naphthalene to obtain reaction products comprising a 2-substituted-1,4-naphthoquinone and a 6-substituted-1,4-naphthoquinone; adding a diene compound to the reaction products and heating the mixture to form a Diels-Alder reaction adduct between the diene compound and the 6-substituted-1,4-naphthoquinone in the reaction products; and separating the 2-substituted-1,4-naphthoquinone from the adduct.
摘要:
A stage is provided on which is mounted a substrate that has a concavo-convex portion such as a circuit formed on the underside thereof. A channel 3 through which a coolant such as water flows is formed in a stage 1. An annular flange portion 4 is formed on the top surface of the stage 1. The inner side of the flange portion 4 forms a concave portion 5. The top surface of the flange portion 4 is provided with a smooth finish in order to mount a peripheral section of the underside of a substrate W thereon. Holes through which are passed three positioning pins 6 and lift pins 7 are provided in the flange portion 4 at regular intervals in the circumferential direction.
摘要:
A method for processing a coating film includes the steps of forming a silica group coating film having a low dielectric constant on a substrate, conducting an etching process to the silica group coating film through a photoresist pattern, and processing the silica group coating film with plasma induced from helium gas. With this, it is possible to prevent the silica group coating film from being damaged when a wet stripping process is conducted to remove the photoresist pattern as a subsequent process, and to maintain the low dielectric constant of the coating film.
摘要:
A navigation system for a motor vehicle serves to guide the motor vehicle along an optimum route which includes bypass roads and side destinations desired by a driver but no road of high traffic congestion. When the motor vehicle deviates from the guidance route, an optimum route is again determined, starting from the current position of the motor vehicle. The navigation system includes a manipulating unit 1A for setting the desired bypass roads, side destinations and the final destination, a system controller 11 for setting the destination and the side destinations in terms of the coordinates on a map which are stored in a RAM unit together with information concerning the bypass roads and congested roads, a route extracting unit 6A for extracting an optimum route from a plurality of routes searched by a route search unit 5A on the basis of data read out from the RAM unit 14 and a route guidance controller for determining a distance deviation between the optimum route and the current position of the motor vehicle determined by a current position determining unit 7A. When the distance deviation exceeds a predetermined value, the system controller 11 commands the route search unit 5A and the optimum route extracting unit 6A to start again a new optimum route determining operation.
摘要:
A method for forming a release layer which lies between a substrate and a supporting member and has a property that changes when the release layer absorbs light coming through the supporting member, by carrying out plasma CVD with a high-frequency power that is set so as to be higher than a power at which a mode jump occurs.
摘要:
A laminate including a supporting member which is light transmissive; a supported substrate supported by the supporting member; an adhesive layer provided on a surface of the supported substrate which surface faces toward the supporting member; and a release layer which is made of a fluorocarbon and is provided between the supporting member and the supported substrate, the release layer having a property that changes when it absorbs light coming through the supporting member.
摘要:
Provided are a substrate liquid processing apparatus, a substrate liquid processing method, and a computer readable storage medium having a substrate liquid processing program stored therein that can prevent the occurrence of the electrostatic breakdown caused by the discharge of electric charges in a substrate. The substrate liquid processing apparatus processes a circuit-forming surface of the substrate with a chemical liquid. Furthermore, prior to processing the substrate with the chemical liquid, the substrate liquid processing apparatus performs an anti-static process for an surface opposite to the circuit-forming surface of the substrate by an anti-static liquid, thereby emitting the electric charges on the substrate.