Sumitomo Chemical Company, Limited

Koei Chemical Company, Limited

Yoshimi Yamada

Toshio Nagatomi

Toshiro Kato

Kunio Mukai

Akihiko Nakamura

Katuhisa Masumoto

Mitsuru Sasaki

Tadashi Ooishi

Atsushi Kaetsu

Koji Hagiya

Kazunori Iwakura

Hiroshi Souda

Yukio Ishiguri

Keisuke Watanabe

Tohei Takagaki

Masayuki Takase

Hideyuki Goto

Noboru Yamamoto

Shinichiro Nagata

Shigeki Yokoi

Nobuaki Honma

A quatemary ammonium salt of the following formula (1):{(R)(R)(R)(ROCHCHOCHCH)N}.A&#x2003;&#x2003;(1)[wherein, R, Rand Rmay be mutually the same or different and represent an alkyl group having 1 to 4 carbon atoms or analkyloxyethyl group of the formula (2):ROCHCH&#x2014;&#x2003;&#x2003;(2)(wherein, Rrepresents a methyl group or ethyl group), Rrepresents a methyl group or ethyl group, and any two of R, Rand Rmay mutually bond at the end to form an alkylene chain, a, b and c represent an integer of 0 to 3, d represents an integer of 1 to 4, the sum of a, b and c is 3 or less, the sum of a, b, c and d is 4, and Arepresents a bis(trifluoromethylsulfonyl)imidate ion [N(SOCF)], tetrafluoroborate ion (BF) or hexafluorophosphate ion (PF)].

Quaternary ammonium salts

Method for producing cyclopropanecarboxylates

The subject is to provides a process for producing 1-substituted-hydantoins of Formula I: ##STR1## wherein R.sub.1 represents d hydrocarbon group which may be substituted and others, cheracterized by reacting N-sustituted-N-alkcycarbonylamnilo-acetonitrile of Formula II: ##STR2## wherein R.sub.2 represents an alkyl group and others, with an alkali metal hydroxides or the like and then treating with an acid.

Process for producing 1-substituted-hydantoins

There is provide an advantageous process for producing an .alpha.-(tert-alkyl)cyanoacetic acid ester characterized by reacting cyanoacetic acid ester with a di(lower alkyl)aluminum halide, and then reacting the resulting reaction with a tert-alkyl halide.

Process for producing .alpha.-(tert-Alkyl) cyanoacetic acid ester

A process for racemization of an optically active 1-phenylethylamine derivative represented by formula (I): ##STR1## wherein R.sup.1 represents a phenyl group substituted at least at the ortho-position, which comprises reacting the optically active 1-phenylethylamine derivative (1) with an aldehyde compound represented by formula (2):

Process for racemization of optically active 1-phenylethylamine

There is disclosed a process of producing a 2-iminothiazoline derivative of the general formula �II!, characterized in that a thiourea derivative of the general formula �I! is treated with an acid. Also disclosed are a process of producing an N-substituted N-arylcyanamide derivative of the general formula �VI!, characterized in that an N-arylcyanamide derivative of the general formula �IV! is reacted with an allyl halide derivative of the general formula �V! in an aprotic polar solvent in the presence of an iodide and an alkali metal carbonate; and a process of producing an N-substituted N-arylthiourea derivative of the general formula �VII!, characterized in that an N-substituted N-arylcyanamide derivative of the general formula �VI! obtained as described above is further reacted with a chemical species which generates sulfide ion or hydrogensulfide ion.

Process of producing 2-iminothiazoline derivatives and process of

There is disclosed a process of producing a 2-iminothiazoline derivative of the general formula [II], characterized in that a thiourea derivative of the general formula [I] is treated with an acid. Also disclosed are a process of producing an N-substituted N-arylcyanamide derivative of the general formula [VI], characterized in that an N-arylcyanamide derivative of the general formula [IV] is reacted with an allyl halide derivative of the general formula [V] in an aprotic polar solvent in the presence of an iodide and an alkali metal carbonate; and a process of producing an N-substituted N-arylthiourea derivative of the general formula [VII], characterized in that an N-substituted N-arylcyanamide derivative of the general formula [VI] obtained as described above is further reacted with a chemical species which generates sulfide ion or hydrogensulfide ion.

A process for producing 3,4-caranediol of the formula [I] includes subjecting 3,4-epoxycarane, which is obtained by epoxidizing 3-carene under specific conditions, to a hydration reaction in the presence of a base catalyst in aqueous ethanol under pressure to obtain 3,4-caranediol.

Process for producing 3,4-caranediol

A method for controlling the growth of undesired weeds is disclosed. The method includes applying a herbicidally effect amount of a herbicidal composition which contains as an essential active ingredient a compound of the formula: ##STR1## wherein X is a hydroxyl group or a hydroxylamino group, R is a hydrogen atom, an inorganic counter cation, an an organic counter cation or an ester residue, and n is an integar of 1 to 3, and an inert carrier or diluent, to the area where the weeds grow or will grow.

Method for controlling the growth of weeds

A soil disinfectant composition for preventing and controlling diseases caused by pathogenic fungi living in soil, which comprises an effective amount of at least one of phenylphosphinic acid and its salts as an active ingredient, and at least one inert carrier or diluent.

Soil disinfectant

A fungicidal composition which comprises as an active ingredient a fungicidally effective amount of a compound of the formula: ##STR1## wherein X is a hydroxyl group or a hydroxyamino group, or its salt and an inert carrier or diluent.

Growing community of inventors

Osaka, Japan

Yoshimi Yamada