Fused Ring Compound Dual Receptor Activity

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Solution Overview

Problem

Current compounds with angiotensin II receptor antagonistic and peroxisome proliferator-activated receptor γ agonistic activities lack superior pharmacological and physicochemical properties for effective treatment of circulatory and metabolic diseases.

Innovation Solution

A novel fused ring compound with specific structural features, exhibiting both angiotensin II receptor antagonistic and peroxisome proliferator-activated receptor γ agonistic activities, is developed to enhance therapeutic efficacy for hypertension, cardiac diseases, and metabolic disorders.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing compounds with angiotensin II receptor antagonistic and peroxisome proliferator-activated receptor γ agonistic activities are used, then dual pharmacological activity is achieved, but superior pharmacological and physicochemical properties for effective treatment are lacking

Engineering Contradiction:
Improvepharmacological activityVSAvoidtherapeutic efficacy
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent combines two distinct pharmacological activities (angiotensin II receptor antagonism and peroxisome proliferator-activated receptor γ agonism) into a single molecular structure. The fused ring compound integrates the structural features necessary for both receptor interactions, creating a dual-functional molecule that simultaneously addresses circulatory and metabolic disease pathways

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The invention employs a composite molecular structure featuring a fused ring system with specific substituent patterns. This composite structure combines electron-deficient and electron-rich moieties in precise spatial arrangements, enabling the molecule to interact with multiple receptor types while maintaining optimal physicochemical properties for drug delivery and therapeutic effectiveness

Inventive Principle:
Principle #40Composite materials

2Reliability

If a novel fused ring compound structure is developed to enhance therapeutic efficacy, then dual pharmacological activity is improved, but structural complexity increases

Engineering Contradiction:
Improvetherapeutic efficacyVSAvoidmolecular structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The fused ring compound is designed as a segmented molecular architecture where distinct structural units (rings A, B, C with specific substituents) perform specialized functions. Each segment contributes specific pharmacological properties: some regions facilitate angiotensin II receptor binding while others enable peroxisome proliferator-activated receptor γ interaction, allowing complex therapeutic activity to be achieved through modular structural organization

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies local quality by introducing specific substituent groups at predetermined positions on the fused ring system. Electron-withdrawing and electron-donating groups are strategically placed to create localized electronic environments that optimize receptor binding affinity. This localized functional differentiation enables the molecule to exhibit multiple pharmacological activities without requiring uniform structural complexity throughout the entire molecule

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP2384327B1Fused ring compound and use thereof
Publication Date: 2013.07.31 TAKEDA PHARMA CO LTD
  • EP2384327B1 patent drawing
  • EP2384327B1 patent drawing
  • EP2384327B1 patent drawing

AI summary

Provided is a novel compound represented by the following formula Wherein each symbol is as defined in the specification, or a salt thereof, which has an angiotensin II receptor antagonistic activity and a peroxisome proliferator-activated receptor ? agonistic activity, and is useful as an agent for the prophylaxis or treatment of circulatory diseases such as hypertension and the like and/or metabolic diseases such as diabetes and the like, and the like.