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Method for preparing pyrrolo[3,2,-d]pyrimidine compound, and intermediates thereof
US2020239484A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2020239484-A1 |
| Application number | US-202016847394-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 13, 2020 |
| Priority date | Feb 5, 2016 |
| Publication date | Jul 30, 2020 |
| Grant date | — |
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Abstract
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The present invention relates to a method for preparing a pyrrolo[3,2-d]pyrimidine compound (the compound represented by formula I), and corresponding intermediates.
First claim
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1 . A compound of formula VI: wherein R 1 and R 2 are independently selected from the group consisting of C 1-4 alkyl, or R 1 and R 2 together with the N atom attached thereto form 4-8 membered heterocycloalkyl, wherein the heterocycloalkyl is optionally substituted with one or more substituents independently selected from hydroxyl, halogen, C 1-4 alkyl and C 1-4 alkoxy. 2 . The compound of formula VI according to claim 1 , wherein R 1 and R 2 are independently selected from the group consisting of C 1-4 alkyl. 3 . The compound of formula VI according to claim 1 , wherein R 1 and R 2 together with the N atom attached thereto form 4-8 membered heterocycloalkyl, wherein the heterocycloalkyl is optionally substituted with one or more substituents independently selected from hydroxyl, halogen, C 1-4 alkyl and C 1-4 alkoxy. 4 . The compound of formula VI according to claim 1 , wherein NR 1 R 2 of formula VI is selected from the group consisting of 5 . The compound of formula VI according to claim 1 , selected from:
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Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 · CPC title
- C07D487/04Primary
Ortho-condensed systems · CPC title
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- What does patent US2020239484A1 cover?
- The present invention relates to a method for preparing a pyrrolo[3,2-d]pyrimidine compound (the compound represented by formula I), and corresponding intermediates.
- Who is the assignee on this patent?
- Chia Tai Tianqing Pharmaceutical Group Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C07D487/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Jul 30 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).