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- W2083876198 abstract "The cyclization reaction of N-(2-hydroxyethyl)-N'-phenylthioureas 2 containing ambident nucleophile was examined in the combination of a variety of bases and p-toluenesulfonyl chloride (TsCl). N-(2-Hydroxyethyl)thioureas 2 were readily obtained in high yields from the reaction of the corresponding 1,2-aminoalcohols with phenyl isothiocyanate, avoiding the need for O-protection. The use of a one-pot reaction (NaOH/TsCl) was found to be most effective in producing the requisite 2-phenylaminothiazolines (S-cyclization) 3 in the case of thioureas 2a-2e derived from N-unsubstituted aminoalcohols, while in the thioureas 2f and 2g prepared from N-substituted aminoalcohols the combination of Et3N and TsCl led to the S-cyclization products." @default.
- W2083876198 created "2016-06-24" @default.
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- W2083876198 date "2001-03-20" @default.
- W2083876198 modified "2023-09-24" @default.
- W2083876198 title "ChemInform Abstract: Ring Closure of N-(2-Hydroxyethyl)-N′-phenylthioureas: One-Pot Synthesis of 2-Phenylaminothiazolines." @default.
- W2083876198 cites W2950758691 @default.
- W2083876198 doi "https://doi.org/10.1002/chin.200112133" @default.
- W2083876198 hasPublicationYear "2001" @default.
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