Invention Grant
- Patent Title: Methods for preparing substituted chromanone derivatives
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Application No.: US17325600Application Date: 2021-05-20
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Publication No.: US11377434B2Publication Date: 2022-07-05
- Inventor: Gaofeng Bian , Zengying Zheng
- Applicant: HANGZHOU DUYI TECHNOLOGY CO. LTD.
- Applicant Address: CN Zhejiang
- Assignee: HANGZHOU DUYI TECHNOLOGY CO. LTD.
- Current Assignee: HANGZHOU DUYI TECHNOLOGY CO. LTD.
- Current Assignee Address: CN Zhejiang
- Agency: Metis IP LLC
- Main IPC: C07D311/22
- IPC: C07D311/22 ; B01J23/72
Abstract:
The present disclosure relates to a method for preparing a compound of formula (1). In the compound of formula (1), n may be 0 to 5 and each of R1, R2, R3, and R4 may be independently selected from the group consisting of H, —O-Alkyl, halo, alkyl, —CN, or —NO3.
Public/Granted literature
- US20220024890A1 METHODS FOR PREPARING SUBSTITUTED CHROMANONE DERIVATIVES Public/Granted day:2022-01-27
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