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Methods for the Direct Synthesis of Benzoxazoles from Halogenated Nitriles in Alcoholic Solvents.

Lester, Roy P. and Camp, Jason (2013) Methods for the Direct Synthesis of Benzoxazoles from Halogenated Nitriles in Alcoholic Solvents. ACS Sustainable Chemistry & Engineering, 1 (5). pp. 545-548. ISSN 2168-0485

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Abstract

Two complementary approaches for the direct synthesis of 2-dichloro- and 2-trichlorobenzoxazoles from 2-aminophenols and halogenated nitriles are reported. A green, noncatalyzed method was shown to proceed in an alc. solvent without the addn. of exogenous acid or base. This method provides a clean and robust synthesis of these important heterocycles, which contain a key functional group handle at the 2-position. A complementary platinum multifaceted catalysis approach was also developed in which the metal can catalyzes multiple mechanistically distinct processes. This method allows for an improved use of the metal catalyst vs stepwise protocols and provides increased flexibility in the choice of reaction conditions. [on SciFinder(R)]

Item Type: Article
Additional Information: Unmapped bibliographic data: PY - 2013/// [EPrints field already has value set] M3 - 10.1021/sc4000253 [Field not mapped to EPrints] JA - ACS Sustainable Chem. Eng. [Field not mapped to EPrints]
Uncontrolled Keywords: aminophenol halogenated nitrile methanol cyclocondensation, benzoxazole prepn
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Schools: School of Applied Sciences
Related URLs:
Depositing User: Sara Taylor
Date Deposited: 13 Nov 2014 16:19
Last Modified: 13 Nov 2014 16:19
URI: http://eprints.hud.ac.uk/id/eprint/22271

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