1375469-38-7Relevant articles and documents
2-methyl nicotinate as well as preparation method and application thereof
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, (2021/05/22)
The invention relates to 2-methyl nicotinate as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) reacting 1, 1, 3, 3-tetramethoxypropane or 1, 1, 3, 3-tetraethoxypropane under the action of acid to obtain a compound B; (2) reacting the compound B and beta-aminocrotonate in a first organic solvent to obtain 2-methyl nicotinate, wherein no foul acrolein is used in the process, the safety coefficient of production is effectively improved, the reaction raw materials are easy to obtain, the conditions are mild, the operation is simple, the yield is greater than 65%, the product purity reaches 98% or above, and the method is suitable for industrial production and has a wide application prospect. The obtained product can be used as an intermediate for synthesizing 2-methyl nicotinic acid, and can be used for synthesizing medicines.
SYNTHESIS OF PI3K INHIBITOR AND SALTS THEREOF
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, (2016/06/01)
The present invention relates to a novel method of preparing a compound of formula (I) or salt thereof, to novel intermediate compounds, to the use of said novel intermediate compounds for the preparation of said compound of formula (I) or salt thereof. T