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US 4,396,764 AGranted
Cyanoguanidine derivatives
AssigneeEisai Co., Ltd.
InventorsSatoru Tanaka, Katsutoshi Shimada, Kazunori Hashimoto, Kiichi Ema, Koichiro Ueda
Life of this patent
Estimating the term…
Abstract
Novel cyanoguanidine derivatives, and acid addition salts thereof useful as medicines which have pharmacological actions such as anti-secretory effect, local anesthesia action and the like; and process for the preparation thereof.
Claims13
A compound of the formula ##STR209## wherein B is 2-, 3- or 4-pyridyl, R represents a group of the formula:
- ##STR210## wherein R.sub.1 and R.sub.2 are the same or different, and each represent a lower alkyl group, or together form a nitrogen-containing heterocycle of 5-member ring or 6-member ring which ring may also contain oxygen as hetero atom, and n is an integer of 1-3, or R represents a group of the formula ##STR211## wherein R.sub.3 is a lower alkyl group, n is an integer of 1-3, and m is an integer of 4-5.
Dependencies are inferred from the claim text.