A method for preparing a JAK inhibitor compound, its crystal form, and its intermediates.

TW202637181APending Publication Date: 2026-09-16MINGHUI PHARMA HANGZHOU LTD +1
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Patent Information

Application Number
TW115101492
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-12-31
Filing Date
2026-01-14
Publication Date
2026-09-16

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Abstract

This invention provides a method for preparing a JAK inhibitor compound, its crystal form, and intermediates thereof. Specifically, this invention provides a method for preparing a compound of formula I and its crystal form. The method for preparing the crystal form of the compound of formula I provided by this invention is simple, has a high product yield, low cost, robust process, and high product purity.
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