多目的のアクティブ・ラーニング・プラットフォームと反応最適化のためのウェブ・アプリ
Jose Antonio Garrido Torres1, Sii Hong Lau1,2, Pranay Anchuri3
1Department of Chemistry, Princeton University, Princeton, New Jersey08544, United States.
Journal of the American Chemical Society
|October 19, 2022
まとめ
効率的な多目的反応最適化のための オープンソースのベイジアン最適化プラットフォームを開発しました このツールは人間主導のキャンペーンを上回り 複雑な化学をユーザーフレンドリーなウェブアプリケーションで アクセスできるようにすることで 発見を加速します
科学分野:
- 化学について
- 化学工学
- コンピュータ化学
背景:
- 化学合成には多目的反応の最適化が不可欠である.
- 伝統的な最適化方法は時間がかかり,労働が密集します.
- 高通量実験 (HTE) は大きなデータセットを生成しますが,効率的な分析が必要です.
研究 の 目的:
- 多目的反応最適化のためのオープンソースのベイジアン最適化プラットフォームを開発する.
- 化学者が最適化ルーチンを実験室の実践に統合するためのユーザーフレンドリーなインターフェースを作成します.
- 複雑な化学反応の最適化における プラットフォームの有効性を実証するためです
主な方法:
- オープンソースのベイジアン最適化プラットフォームの開発
- 高通量実験 (HTE) と仮想スクリーニングデータを活用する.
- 反応エンコーディングと代理モデルを含む微調整アルゴリズムのコンポーネント.
- Ni/フォトレドックス触媒によるエナチオセレクティブのクロスエレクトロフィール結合反応に適用する.
主要な成果:
- ベイジアン最適化器は,人間主導のキャンペーンと比較して,かなり少ない実験 (15~24) で優れた反応条件を特定しました.
- プラットフォームは同時に反応率とエナチオ選択性を最適化することに成功した.
- 達成された結果は,以前の人間主導の最適化作業を上回りました.
結論:
- 開発されたオープンソースプラットフォームは,多目的の反応最適化のための効率的でアクセシブルなソリューションを提供します.
- グラフィカル ユーザー インターフェース (GUI) は,化学者が高度な最適化 技術を活用するための障壁を軽減します.
- このアプローチは化学的発見を加速し,計算ツールを通常の実験室作業に統合します.
関連する概念動画
Predicting Reaction Outcomes
8.5K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
8.5K
Reaction Quotient
48.9K
The status of a reversible reaction is conveniently assessed by evaluating its reaction quotient (Q). For a reversible reaction described by m A + n B ⇌ x C + y D, the reaction quotient is derived directly from the stoichiometry of the balanced equation as
48.9K
Multi-Step Reactions
7.4K
Chemical reactions often occur in a stepwise fashion involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs. Each of the steps in a reaction mechanism is called an elementary reaction. These...
7.4K
Measuring Reaction Rates
25.6K
Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical...
25.6K
Support Reactions in Three Dimensions
1.0K
Support reactions in three dimensions help maintain the stability and equilibrium of various structures and systems. These reactions prevent the system from translating and rotating, ensuring the design can withstand external forces and perform its intended function efficiently and safely. Some of the supports providing support reactions in three dimensions are discussed below:
Ball and Socket Joint is one of the supports allowing free rotation about any axis. This freedom of rotation is...
Ball and Socket Joint is one of the supports allowing free rotation about any axis. This freedom of rotation is...
1.0K
Reaction Mechanisms
26.2K
Chemical reactions often occur in a stepwise fashion, involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs.
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
26.2K


