Preparation method for and intermediate of pyrrolo six-membered heteroaromatic ring derivative
US10851100B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Nov 22, 2017 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Nov 22, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are an intermediate of a pyrrolo six-membered heteroaromatic ring derivative as a JAK inhibitor and a preparation method therefor, and a method for preparing a pyrrolo six-membered heteroaromatic ring derivative using the intermediate. The method improves the reaction yield, is simple and easy to operate and control, and is conducive to expanded industrial production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.