1
Shigeo Morimoto, Takashi Adachi, Tohru Matsunaga, Masato Kashimura, Toshifumi Asaka, Yoshiaki Watanabe, Kaoru Sota, Kazuto Sekiuchi: Erythromycin A derivatives. Taisho Pharmaceutical, Lorusso & Loud, February 5, 1991: US04990602 (63 worldwide citation)

Erthromycin A derivatives represented by the general formula ##STR1## wherein R.sup.1 is a group of the formula R.sup.7 CH.sub.2 -- (wherein R.sup.7 is a hydrogen group or a lower alkyl group) or a group of the formula R.sup.8 O-- (wherein R.sup.8 is a lower alkyl group), R.sup.2 is R.sup.8, a cyclo ...


2
Takehiro Amano, Masami Goi, Kazuto Sekiuchi, Tomomichi Yoshida, Masahiro Hasegawa: Process for preparing erythromycin A oxime or a salt thereof. Taisho Pharmaceutical, Lorusso & Loud, December 28, 1993: US05274085 (28 worldwide citation)

A process for preparing erythromycin A oxime or a salt thereof which comprises reacting erythromycin A with hydroxylamine using an acid, is disclosed. Erythromycin A oxime and the salts thereof are useful as intermediates for the synthesis of macrolide antibiotics.


3
Kensei Yoshikawa, Yutaka Ohuchi, Kazuto Sekiuchi, Shiuji Saito, Katsuo Hatayama, Kaoru Sota: Sulfonanilide compounds. Taisho Pharmaceutical, Lorusso & Loud, December 5, 1989: US04885367 (8 worldwide citation)

Sulfonanilide compounds represented by the formula ##STR1## wherein R.sup.1 is a lower alkyl group or a trifluoromethyl group, R.sup.2 is a cycloalkylidenemethyl group, a group of the formula --A--R.sup.3 (wherein A is an oxygen atom, a sulfur atom, a sulfynyl group or a sulfinyl group and R.sup.3 i ...


4
Katsuo Hatayama, Kensei Yoshikawa, Tatsuhiko Sano, Yutaka Ohuchi, Tomomi Ota, Kazuto Sekiuchi, Kaoru Sota: Novel styrene derivatives of the general formula. Taisho Pharmaceutical, Pahl Lorusso & Loud, December 10, 1985: US04557871 (4 worldwide citation)

Novel styrene derivatives of the general formula ##STR1## wherein X is hydrogen or halogen, X.sup.1 is halogen, R is hydrogen or methyl, Y is hydroxymethyl, carboxyl, --COOR.sup.1 or --COR.sup.2 wherein R.sup.1 is prenyl, geranyl, farnesyl, cyclohexyl, phthalidyl, straight or branched chain alkyl ha ...


5
Kazuto Sekiuchi, Masahiro Imoto, Masaji Ishiguro, Takashi Nakatsuka, Rie Tanaka, Hidekazu Inoue: Production method of optically active trans-vinylsulfide alcohol. Suntory, Burns Doane Swecker & Mathis L, April 11, 2000: US06049009

A method for producing an optically active trans-vinylsulfide alcohol having the formula: ##STR1## wherein R.sup.1 represents an alkyl group or an aryl group, comprising the step of reducing a trans-vinylsulfide ketone with a borane reducing agent in the presence of an optically active oxazaborolidi ...


6
Akira Mizuno, Kazuto Sekiuchi, Takushi Nagata, Teruo Muraishi: Process for production of optically active pyrroloazepine derivatives. Crowell & Moring, October 3, 2002: US20020143006-A1

It is provided a method for preparing the pyrroloazepine derivatives, especially in optically active form useful as drugs, by low-priced and simple method and in industrial applicable scale, represented by the following formula (I): 1 wherein Z represents optionally substituted phenyl group, which c ...


7
Akira Mizuno, Kazuto Sekiuchi, Takushi Nagata, Teruo Muraishi: Process for production of optically active pyrroloazepine derivatives. Daiichi Suntory Pharma, Crowell & Moring, October 14, 2003: US06632943

It is provided a method for preparing the pyrroloazepine derivatives, especially in optically active form useful as drugs, by low-priced and simple method and in industrial applicable scale, represented by the following formula (I):