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Synlett 2018; 29(14): 1867-1870
DOI: 10.1055/s-0037-1609906
DOI: 10.1055/s-0037-1609906
letter
Highly Efficient Coupling of Unstable Bicyclic Pyrimidines and Pyrazoles under Basic Conditions, and its Application to the Synthesis of Pharmaceutical Compounds
This research was supported by Mitsubishi Tanabe Pharma Corporation, JSPS KAKENHI Grant Number 15H05836 (KF) in Middle Molecular Strategy, and JSPS KAKENHI Grant Number 16H01885 (KF).Further Information
Publication History
Received: 10 May 2018
Accepted after revision: 12 June 2018
Publication Date:
31 July 2018 (online)


Abstract
The efficient Pd-catalyzed coupling of unstable bicyclic pyrimidines and pyrazoles under basic conditions was established for the first time. The reactions proceeded with excellent yields without hydrolysis using Pd2(dba)3, t BuXPhos, and K3PO4.
Supporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/s-0037-1609906.
- Supporting Information