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Synthesis of Mono‐ and Bis(fluoroalkyl)pyrimidines from FARs, Fluorinated Acetoacetates, and Malononitrile Provides Easy Access to Novel High‐Value Pyrimidine Scaffolds
Author(s) -
Schmitt Etienne,
Commare Bruno,
Panossian Armen,
Vors JeanPierre,
Pazenok Sergiy,
Leroux Frédéric R.
Publication year - 2018
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201703982
Subject(s) - malononitrile , saponification , chemistry , reagent , pyrimidine , organic chemistry , combinatorial chemistry , carboxylate , stereochemistry , catalysis
Abstract A new strategy was developed using fluorinated acetoacetates, malononitrile, and fluoroalkyl amino reagents (FARs) to access unprecedented 4,6‐bis(fluoroalkyl)pyrimidine‐5‐carboxylates, their carboxylic acid analogues, and 4‐amino‐6‐(fluoroalkyl)pyrimidine‐5‐carbonitriles. An efficient cyclization step using suitable amidines was developed under microwave irradiation, providing the desired pyrimidines rapidly and efficiently. Standard saponification conditions were applied from carboxylate derivatives to access to the corresponding carboxylic acids. These new valuable building blocks, bearing either a single or two emergent fluorinated substituents, hold strong potential for medicinal and agrochemical research.

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