Title:
METHOD FOR PREPARING TRIPHENYLPHOSPHINE
Document Type and Number:
WIPO Patent Application WO/2023/082352
Kind Code:
A1
Abstract:
A method for preparing triphenylphosphine, which method comprises the following steps: preparing trimethoxy sodium monohydroboryl, and reacting trimethoxy sodium monohydroboryl with triphenylphosphine dichloride to obtain triphenylphosphine; and specifically, reacting sodium hydride with trimethyl borate to obtain a trimethoxy sodium monohydroboryl reaction solution, adding the obtained trimethoxy sodium monohydroboryl reaction solution in a dropwise manner to a solution I, and reacting same to obtain triphenylphosphine. The provided method can achieve the advantages of a high acquisition rate and a high purity of triphenylphosphine, and being more environmentally friendly.
Inventors:
SONG BIN (CN)
GONG QINLI (CN)
DENG WEIQIANG (CN)
GONG QINLI (CN)
DENG WEIQIANG (CN)
Application Number:
PCT/CN2021/133592
Publication Date:
May 19, 2023
Filing Date:
November 26, 2021
Export Citation:
Assignee:
HUNAN JINGSHI NEW MAT CO LTD (CN)
International Classes:
C07F9/50
Foreign References:
| CN112645284A | 2021-04-13 | |||
| EP0725073A1 | 1996-08-07 | |||
| CN112479917A | 2021-03-12 | |||
| CN1367175A | 2002-09-04 |
Other References:
HORNER, L. ET AL.: "Phosphorus organic compounds. XVI. Routes for the preparation of primary, secondary, and tertiary phosphines", CHEMISCHE BERICHTE, vol. 91, 31 December 1958 (1958-12-31), XP055107722
Attorney, Agent or Firm:
BEIJING CROWN & RIGHTS LAW FIRM (CN)
Download PDF: