PROCESS FOR PREPARING 4,4'-991-POLYTHIOBIS(2,6-DI- TERT-BUTYLPHENOLS)

FIELD: chemical industry. SUBSTANCE: product: 4,4′-polythiobes(2,6-di-tart- butulphenols of emperical formula: CHOS. Yield 99.5%. Reagent 1: 2,6-di-tart-butylphenol. Reagent 2: sulfur. Reaction conditions: solvent is dimethylformamide or dimethyl-acetamide, temperature is higher or equal to 130 C, a...

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Hauptverfasser:	BUKHAROV S.V, KONOSHENKO L.V, CHUGUNOV JU.V, SOLOV'EVA S.E, PETROV A.G, SAFINA N.P, LIAKUMOVICH A.G, ZGADZAJ O.EH, SAMUILOV JA.D, MANNAFOV T.G, GAJNULLIN V.I
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
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Zusammenfassung:	FIELD: chemical industry. SUBSTANCE: product: 4,4′-polythiobes(2,6-di-tart- butulphenols of emperical formula: CHOS. Yield 99.5%. Reagent 1: 2,6-di-tart-butylphenol. Reagent 2: sulfur. Reaction conditions: solvent is dimethylformamide or dimethyl-acetamide, temperature is higher or equal to 130 C, air or inert gas is fed. EFFECT: more efficient preparation process. 8 ex БФ СНОS. Выход 99,5%. Реагент 1:2,6-ди-трет-бутилфенол. Реагент 2: сера. Условия реакции: растворитель-диметил-формамид или диметилацетамид, температура выше или равна 130°С ,при подаче воздуха или инертного газа.