Mitsubishi Gas Chemical Company, Inc.

Shigeo Yoshinaka

Akinori Tanaka

Mitsunori Oda

Masaharu Doya

Seiji Uchiyama

Kazutoshi Kikkawa

Satoko Imaruoka

Takashi Suzuki

Masakazu Furushima

Tsukasa Toki

Sadao Nozaki

Toshio Kajita

Taketo Maruyama

Akinori Suzuki

Tomoji Tsuji

Suong B Hyeon

Takashi Oritani

Misuzu Wakatsuki

Seiiji Uchiyama

Disclosed are a phenoxyalkylamine represented by the following general formula I and a salt of said phenoxyalkylamine represented by the following general formula II: ##STR1## wherein R represents a linear saturated hydrocarbon having 7 to 12 carbon atoms, n is an integer of from 1 to 5, m is an integer of from 2 to 4, and HX represents a mineral acid. These compounds have strong bacteriostatic and bactericidal actions for plants with no phytotoxicity. Therefore, these compounds are effectively used as the active ingredient of an agricultural and horticultural bactericide.

Phenoxyalkylamine and agricultural and horticultural bactericide

Disclosed is an N-benzyl-N-phenoxyethylamine selected from the group consisting of the N-benzyl-N-phenoxyethylamine represented by the following formula (I): ##STR1## and an agriculturally acceptable acid addition salt represented by the following formula (II): ##STR2## wherein m represents a number of 1 or 2 with a proviso that when m is 1 and a chlorine atom in the ring A is present at para(4)-position of the ring A, two chlorine atoms in the ring B are present at 2,3-, 2,5-, 2,6-, 3,4- or 3,5-positions of the ring B, and HX represents an acid.

N-benzyl-n-phenoxyethylamines and agricultural and horticultural

Disclosed are novel adenine derivatives represented by the formula I and agriculturally acceptable acid addition salts thereof represented by the formula: ##STR1## wherein n is an integer of 2-4. Compositions for increasing yield of crops such as leguminous crops and gramineous crops which contain the above adenine derivatives or salts thereof as an active ingredient and methods for increasing yield of crops using these compositions are also disclosed.

Adenine derivatives and their use as agents for increasing yield of crops

Disclosed is an N-benzyl-N-phenoxyethylamine selected from the group consisting of the N-benzyl-N-phenoxyethylamine represented by the following formula (I): ##STR1## and an agriculturally acceptable acid addition salt represented by the following formula (II): ##STR2## wherein m represents a number of 1 or 2 with a proviso that when m is 1 and a chlorine atom in the ring A is present at para(4)-position of the ring A, two chlorine atoms in the ring B are present at 2,3-, 2,5-, 2,6-, 3,4- or 3,5-positions of the ring B and HX represents an acid.

N-benzyl-N-phenoxyethylamines and agricultural and horticultural

Use of agriculturally acceptable salts of compounds of the following formula for promoting the growth of plants. ##STR1## wherein Hal represents a chlorine, bromine or iodine atom, X.sub.1 represents a hydrogen or chlorine atom, or a methyl, trifluoromethyl, nitro, methoxy or t-butyl group, and X.sub.2 represents a hydrogen atom, or both X.sub.1 and X.sub.2 represent a chlorine atom or a methyl group; and Y represents a hydrogen atom, or a C.sub.2-6 alkylcarbonyl, benzoyl, N-phenylcarbamoyl, N-3,4-dichlorophenylcarbamoyl, chloropropylcarbonyl, methoxycarbonyl, carbamoyl or methacryloyl group.

Plant growth promotion

Xylyleneglycol is produced by diazotization reaction of xylylenediamine in the presence of more than 5 parts by weight of water per 1 part of xylylenediamine, while maintaining the PH of the reaction mixture in the range of 1.5 to 5.0.

Process for producing xylyleneglycol

In a process for producing aromatic aldehydes by reacting chlorinated methylbenzenes with nitric acid, the improvement wherein a lead compound is added to the residue left after separation and recovery of the resulting aromatic aldehydes from the reaction mixture thereby to remove a chlorine ion present in the residue as a precipitate of lead chloride, and the residue left after removal of the lead chloride is recycled to the reaction of the chlorinated methylbenzenes with nitric acid.

Process for producing aromatic aldehydes

A process for the production of aromatic dialdehydes which comprises reacting xylene chloride selected from the group consisting of .alpha.,.alpha.,.alpha.'-trichloroxylene alone, or a mixture of .alpha.,.alpha.,.alpha.'-trichloroxylene and .alpha.,.alpha.'-dichloroxylene, a mixture of .alpha.,.alpha.,.alpha.'-trichloroxylene and .alpha.,.alpha.,.alpha.',.alpha.'-tetrachloroxylene and a mixture of .alpha.,.alpha.,.alpha.'-trichloroxylene, .alpha.,.alpha.'-dichloroxylene and .alpha.,.alpha.,.alpha.',.alpha.'-tetrachloroxylene with nitric acid.

Process for the production of aromatic dialdehydes

A batchwise or continuous process for producing isophthaloyl dichloride or terephthaloyl dichloride having a high purity which comprises, in combination, (1) a first step of producing .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloroxylene by reacting meta- or para-xylene with chlorine under the irradiation of ultraviolet-containing rays, the reaction being carried out in the presence of, as a solvent, .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloroxylene added at the outset of the reaction; (2) a second step of producing isophthaloyl dichloride or terephthaloyl dichloride by reacting the .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloroxylene obtained in the first step with isophthalic acid or terephthalic acid; and (3) a third step of purifying the isophthaloyl dichloride or terephthaloyl dichloride obtained in the second step by dissolving the isophthaloyl dichloride or terephthaloyl dichloride in 0.3 to 6 parts by weight; per part by weight of the phthaloyl dichloride, of C.sub.6 -C.sub.10 aliphatic hydrocarbon solvent, and cooling the solution to a temperature of the specified range thereby to recrystallize the phthaloyl dichloride.

Process for producing phthaloyl dichlorides of high purity

A process for producing perchloromethylbenzene by reacting a methylbenzene selected from the group consisting of compounds of the formula ##STR1## WHEREIN X is a chlorine or bromine atom, m is a number of 0, 1 or 2, and n is an integer of 1 to 3, And compounds of the above formula wherein the side chain methyl group is partially chlorinated, with chlorine under the irradiation of light containing ultraviolet rays, characterized in that the reaction is carried out in the presence of said perchloromethylbenzene in the reaction system as a solvent.

Process for preparing perchloromethylbenzene

This invention concerns to a process for .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloroxylene by reacting m-xylene or p-xylene or a partially chlorinated product thereof with chlorine under the irradiation of ultraviolet rays, the process comprising (1) a first-step chlorination reaction which is carried out in the presence of .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloroxylene as a solvent added at the initial stage of the reaction, and continued until a compound convertible to .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloroxylene by chlorination becomes substantially absent in the reaction mixture, and (2) a second-step chlorination reaction which is continued from the first-step chlorination and carried out to convert difficulty-separable by-products present in the reaction mixture to easily-separable compounds. This invention also concerns to a process for producing an aromatic dicarboxylic acid chloride which comprise reacting the resulting .alpha.,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloroxylene with isophthalic acid or terephthalic acid.

Growing community of inventors

Niigata, Japan

Shigeo Yoshinaka