Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1993-10-07
1995-01-24
Kumar, Shailendra
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560130, 560142, 546265, 546308, 546309, 564 27, 564 29, 564 50, 564 52, 564 53, 564 54, 564 55, 564 56, 564 57, 564 59, C07C 69017
Patent
active
053844254
ABSTRACT:
Diurea derivatives are provided which can be represented by the following general formula and salts thereof: ##STR1## wherein, R.sup.1 and R.sup.2 are the same or different, and each represents C.sup.1 -10 alkyl group, a C.sup.3 -18 cycloalkyl group, or a lower alkyl group substituted by cycloalkyl radical(s);
REFERENCES:
patent: 3676446 (1972-07-01), Schorr et al.
patent: 4216228 (1980-08-01), Yamada et al.
patent: 4294833 (1981-10-01), Innocenti et al.
patent: 4387105 (1983-06-01), DeVries et al.
patent: 5166429 (1992-11-01), Ito et al.
Araki Tomio
Iizumi Yuichi
Ito Noriki
Yasunaga Tomoyuki
Kumar Shailendra
Yamanouchi Pharmaceutical Co. Ltd.
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