Benzothiazepine Synthesis via Segmented Modular Steps

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Solution Overview

Problem

Current treatments for diabetes, particularly type 2 diabetes, face challenges with efficacy, durability, and side effects, with existing medications often causing weight gain, hypoglycemia, and gastrointestinal issues, and there is a need for new oral agents that can effectively increase GLP-1 secretion.

Innovation Solution

A novel synthesis method for a compound that acts as an ileal bile acid reuptake inhibitor, increasing colonic bile acid concentrations to enhance GLP-1 secretion, potentially offering a more efficient and cost-effective treatment for diabetes and related disorders.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If current diabetes medications are used, then blood glucose levels are reduced, but weight gain and hypoglycemia occur

Engineering Contradiction:
Improveblood glucose reductionVSAvoidweight gain and hypoglycemia
Core Design Contradiction:
Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The patent uses bile acid transport inhibitors as intermediary compounds that indirectly affect glucose metabolism by blocking bile acid reabsorption in the ileum. This mediator approach allows glucose control through a different physiological pathway (bile acid-glucose axis) rather than direct insulin stimulation, thereby avoiding the harmful effects of weight gain and hypoglycemia associated with conventional medications

Inventive Principle:
Principle #24Intermediary (Mediator)

2Quantity of substance

If existing diabetes treatments are administered, then glycemic control is achieved, but gastrointestinal side effects occur

Engineering Contradiction:
Improveglycemic controlVSAvoidgastrointestinal side effects
Core Design Contradiction:
Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The bile acid transport inhibitor acts as an intermediary that triggers a cascade of physiological responses (increased bile acid delivery to colon, increased GLP-1 secretion) rather than directly acting on glucose metabolism. This indirect mechanism bypasses the gastrointestinal side effects experienced with direct-acting diabetes medications while still achieving glycemic control

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If multiple synthetic steps are used in current synthesis methods, then compound purity is achieved, but manufacturing complexity and cost increase

Engineering Contradiction:
Improvecompound purityVSAvoidsynthetic process complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The synthesis method is segmented into distinct modular steps: (1) formation of the core benzothiazepine structure, (2) introduction of the chiral amine component, and (3) final purification. This segmentation allows each step to be optimized independently, reducing overall complexity while maintaining purity through targeted purification at each stage rather than requiring extensive multi-step purification sequences

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3177600B1Synthesis of benzothiazepines
Publication Date: 2018.05.23 GLAXOSMITHKLINE INTELLECTUAL PROPERTY (NO 2) LTD
  • EP3177600B1 patent drawing
  • EP3177600B1 patent drawing
  • EP3177600B1 patent drawing

AI summary

Methods for preparing the following compound are disclosed.