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Potassium channel activators and their use

  • US 6,342,517 B1
  • Filed: 12/03/1999
  • Issued: 01/29/2002
  • Est. Priority Date: 12/04/1998
  • Status: Expired due to Fees
First Claim
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1. A thienopyran compound having one of the formulas I, II and III embedded imagewhereinX is H or an electron-withdrawing group, Y is an alicyclic or heterocyclic ring spiro-connected to the thienopyran ring at the position indicated by Y, the ring Y being saturated or mono-unsaturated and being substituted or unsubstituted, Z is selected from hydrogen, hydroxy and alkoxy.

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