Chroman Derivative Synthesis for SMTP Compound Side Chains
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Solution Overview
Problem
The challenge lies in obtaining SMTP compounds with desired structures, as current methods involving filamentous fungi are inefficient and often fail to produce compounds with specific side chain moieties linked to the nitrogen atom of the lactam ring.
Innovation Solution
A chroman derivative represented by Formula (Ia) is used, which can react with an amine compound in the presence of a solvent to produce SMTP compounds without relying on filamentous fungi, allowing for the production of compounds with desired structures through a method involving Formula (Ia) and Formula (III).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If filamentous fungi are used to produce SMTP compounds, then compounds with specific side chain structures are obtained, but the production efficiency and structural precision are insufficient
Solution Approach 1:
The SMTP compound is divided into two separate components: a chroman derivative (core structure) and an amine compound (side chain). The chroman derivative is prepared first, then reacted with different amine compounds to generate various SMTP derivatives. This segmentation allows independent optimization of each component and enables flexible combination to achieve desired side chain structures.
Solution Approach 2:
The chroman derivative serves as an intermediary compound that bridges the gap between simple starting materials and final SMTP compounds. By preparing the chroman derivative with a reactive functional group (such as carboxyl or hydroxyl), it can then react with various amine compounds to form the final SMTP product with desired side chain structures, thereby achieving both precision and efficiency.
2Adaptability or versatility
If filamentous fungi are used for SMTP compound production, then metabolic pathways provide compound synthesis, but the ability to produce compounds with desired specific structures is limited
Solution Approach 1:
The invention changes the production approach from relying on fungal metabolic pathways to a chemical synthesis approach using the chroman derivative as an intermediate. By changing the reaction parameters (选择不同的胺化合物作为反应物), various SMTP compounds with different side chain structures can be produced, thereby achieving both structural diversity and precision.
3Ease of manufacture
If traditional fungal culture methods are used, then SMTP compounds are produced metabolically, but the production process is complex and less controllable
Solution Approach 1:
The invention replaces the biological system (fungal culture) with a chemical synthesis system. Instead of relying on complex fungal metabolic pathways that are difficult to control, the process uses well-defined chemical reactions between the chroman derivative and amine compounds, which are easier to control and optimize, thereby improving both ease of manufacture and process reliability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables the efficient production of SMTP compounds with desired structures, overcoming the limitations of traditional methods by providing a direct intermediate for SMTP compound production, facilitating the creation of compounds with specific optical and geometric isomers.
Implementation Method 1
a step of allowing a compound represented by Formula (Ia) to react with an amine compound represented by Formula (III) in the presence of a solvent
Data Source
AI summary
The invention provides a chroman derivative represented by the following Formula (I) that enables the production of an SMTP compound having a desired structure: wherein, in Formula (I), each of Y1 and Y2 independently represents a hydrogen atom, a hydroxy group, an alkoxy group, an aryloxy group, or a halogen atom; each of R1 and R2 independently represents a hydrogen atom, an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, or a carbamoyl group; L represents an aliphatic hydrocarbon group having from 4 to 10 carbon atoms; each X independently represents a hydroxy group or a carboxy group; and n represents an integer from 0 to 2.