US2004147035A1PendingUtilityA1

Diaminorhodamine derivative

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Assignee: DAIICHI PURE CHEMICALS CO LTDPriority: Aug 18, 2000Filed: Dec 24, 2003Published: Jul 29, 2004
Est. expiryAug 18, 2020(expired)· nominal 20-yr term from priority
Inventors:Tetsuo NaganoHirotatsu KojimaKazuya Kikuchi
C07D 311/90C07D 493/10G01N 21/6428C07D 491/20C07D 405/04G01N 2021/6439Y10T436/179228Y10T436/141111Y10T436/177692Y10T436/10Y10T436/17
54
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Claims

Abstract

A compound represented by the, following formula (I) or (II): Wherein, in the formula (I), R 1 , R 2 , R 3 , and R 4 independently represent methyl group or ethyl group; and in the formula (II), R 5 , R 6 , R 7 , and R 8 independently represent methyl group or ethyl group and X represents anianon, and a reagent for measurement of nitric oxide which comprises said compound.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A compound represented by the following formula (I) or (II):  
       
         
           
           
               
               
           
         
         wherein, inRthe formula (I), R 1 , R 2 , R 3 , and R 4  independently represent methyl group or ethyl group; and in the formula (II), R 5 , R 6 , R 7 , ard R 8  independently represent methyl group or ethyl group and X represents an anion.  
       
     
     
         2 . The compound of the formula (I) according to  claim 1 , wherein R 1 , R 2 , R 3 , and R 4  are methyl groups.  
     
     
         3 . The compound of the formula (II) according to  claim 1 , wherein R 5 R 6 , R 7 , and R 8  are methyl groups and X is I.  
     
     
         4 . A reagent for measurement of nitric oxide which comprises a compound represented by the formula (I) or formula (II) according to  claim 1 .  
     
     
         5 . A compound represented by the following formula (III) or (IV):  
       
         
           
           
               
               
           
         
         wherein, in the formula (III), R 11 , R 12 , R 13 , and R 14  independently represent methyl group or ethyl group; and in the formula (IV), R 15 , R 16 , R 17 , and R 18  independently represent methyl group or ethyl group and Y represents an anion.  
       
     
     
         6 . The compound of the formula (III) according to  claim 5 , wherein R 11 , R 12 , R 13 , and R 14  are methyl groups.  
     
     
         7 . The compound of the formula (IV) according to  claim 5 , wherein R 15 , R 16 , R 17 , and R 18  are methyl groups and Y is I.  
     
     
         8 . A method for measurement of nitric oxide, which comprises: 
 (1) a step of reactinga compound represented by the formula (I) or (II) according to  claim 1  with nitric oxide, and    (2) a step of detecting a compound represented by the formula (III)or (IV) produced in the step (1).

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