Benzo (4,5) cyclohepta-(1,2,-b) thiophene derivatives

C - Chemistry – Metallurgy – 07 – D

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260/279.27, 260/

C07D 411/12 (2006.01) C07D 207/08 (2006.01) C07D 333/80 (2006.01)

Patent

CA 1069509

Abstract of the Disclosure This invention provides new compounds of formula I, Image I wherein n is a whole number from 1 to 3, R1 is hydrogen, or halogen of atomic number from 9 to 35, each of the two radicals R2 are the same, and each is hydrogen or alkyl of 1 to 4 carbon atoms, each of tho two radicals R3 are tho same, and each is hydrogen or alkyl of 1 to 4 carbon atoms, and X is carbonyl or methylene , useful as anti-arrhythmics.

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