cas 7204-48-0, 1-TERT-BUTYL-2-THIOUREA | Articles data ｜lookchem

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7204-48-0

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Convenient Multicomponent One-Pot Synthesis of 2-Iminothiazolines and 2-Aminothiazoles Using Elemental Sulfur Under Aqueous Conditions
Herein, we present a novel one-pot aqueous reaction for the synthesis of 2-iminothiazolines and 2-aminothiazoles using isocyanides, amines, sulfur, and 2′-bromoacetophenones. The three-component preparation of thioureas is followed by the one-pot cyclization leading to the heterocyclic product. This efficient and mild procedure features excellent step- and atom-economy and enables the chromatography-free preparation of diversely substituted 2-iminothiazoline and 2-aminothiazole derivatives.
ábrányi-Balogh, Péter,Domján, Attila,Gao, Qinghe,Han, Xinya,Keser?, Gy?rgy M.,Marlok, Bence,Németh, András Gy.
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p. 3587 - 3597
(2021/07/22)

Aminothiazole derivatives
The invention relates to aminothiazole heterocyclic derivatives, a preparation method thereof and an application of the aminothiazole heterocyclic derivatives in preparation of drugs for treating or preventing progressive cognitive disorder and/or amnesia diseases.
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Paragraph 0077; 0078; 0079

(2018/01/04)

A convenient and efficient method for the synthesis of mono- and N,N-disubstituted thioureas
A convenient method for the synthesis of mono- and N,N-disubstituted thioureas by the debenzoylation of N-substituted- and N,N-disubstituted- N′-benzoylthioureas with hydrazine hydrate under solvent-free conditions has been developed. N-Substituted-N′-benzoylthioureas and hydrazine hydrate were mixed, and stirred at room temperature without a solvent to give the corresponding N-substituted thioureas in high yields.
Kodomari, Mitsuo,Suzuki, Masato,Tanigawa, Keiko,Aoyama, Tadashi
p. 5841 - 5843
(2007/10/03)

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Chemical Properties

Melting Point: 171-172°C
Boiling Point: 187.2 °C at 760 mmHg
Flash Point:67 °C
Density: 1.028 g/cm³
Storage Temp.:Sealed in dry,Room Temperature
Vapor Pressure: 0.637mmHg at 25°C
Refractive Index: 1.527
BRN: 1744506
PSA: 70.14000
LogP: 1.70930

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