N-Benzhydryl Quinuclidine Derivatives for Selective NALCN Inhibition

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Solution Overview

Problem

Current methods lack a substance that can specifically and independently inhibit sodium leak channels (NALCN), making it difficult to study their functional role and treat associated diseases, as existing approaches often disrupt other ion channels or are not precise enough.

Innovation Solution

A composition comprising N-benzhydryl quinuclidine (NBQN) derivatives, which selectively inhibit NALCN channels, allowing for the regulation of cell excitability and potential treatment of diseases related to NALCN abnormalities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If existing methods are used to study NALCN function, then research can be conducted, but the methods disrupt other ion channels or lack precision

Engineering Contradiction:
Improveprecision of NALCN inhibitionVSAvoiddisruption of other ion channels
Core Design Contradiction:
Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The patent employs N-benzhydryl quinuclidine derivatives as intermediary substances that specifically target and inhibit NALCN channels. These compounds act as selective mediators between the researcher and the NALCN channel, allowing precise study of NALCN function without affecting other ion channels. The derivatives bind selectively to NALCN's binding site, providing a clean experimental system for studying sodium leak current and related diseases.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent utilizes compounds with specific molecular parameters - N-benzhydryl quinuclidine derivatives with particular structural characteristics (benzhydryl group attached to quinuclidine nitrogen). By optimizing these chemical parameters, the invention achieves high selectivity for NALCN over other ion channels, enabling precise inhibition with minimal off-target effects.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If genetic manipulation methods are used to study NALCN, then NALCN function can be investigated, but it is difficult to distinguish effects of remaining NALCN from other ion channels

Engineering Contradiction:
Improvereliability of NALCN functional studyVSAvoidability to distinguish NALCN effects
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The patent extracts the specific function of NALCN from the complex background of other ion channels by using selective pharmacological inhibition. The N-benzhydryl quinuclidine derivatives specifically block NALCN channels while leaving other ion channels intact, effectively extracting NALCN's contribution to neuronal excitability and allowing clear distinction of its effects without genetic manipulation complications.

Inventive Principle:
Principle #2Taking out (Extraction)

3Productivity

If no specific NALCN inhibitor exists, then research on NALCN can proceed, but it is difficult to conduct precise studies on NALCN function

Engineering Contradiction:
Improveefficiency of NALCN researchVSAvoidprecision of NALCN inhibition
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The N-benzhydryl quinuclidine derivatives serve as specialized intermediary tools that enable efficient and precise NALCN research. These compounds provide a direct means to inhibit NALCN with high specificity, accelerating research productivity by eliminating the need for indirect methods while maintaining high measurement precision through selective channel blocking.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11298344B2Composition for inhibiting sodium leak channel (NALCN), comprising n-benzhydryl quinuclidine derivatives
Publication Date: 2022.04.12 RES & BUSINESS FOUND SUNGKYUNKWAN UNIV
  • US11298344B2 patent drawing
  • US11298344B2 patent drawing
  • US11298344B2 patent drawing

AI summary

A composition for inhibiting sodium leakage channel (NALCN), including as an active ingredient N-benzhydryl quinuclidine (NBQN) or a N-benzhydryl quinuclidine derivative represented by the following Formula 1, wherein in the following Formula 1, R is an unsubstituted or substituted benzyl group