Preparation of thiocyanates and isothiocyanates from alcohols, thiols, trimethylsilyl-, and tetrahydropyranyl ethers using triphenylphosphine/2,3-dichloro-5,6-dicyanobenzoquinone (DDQ)/<em>n</em>-Bu<sub>4</sub>NSCN system期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Preparation of thiocyanates and isothiocyanates from alcohols, thiols, trimethylsilyl-, and tetrahydropyranyl ethers using triphenylphosphine/2,3-dichloro-5,6-dicyanobenzoquinone (DDQ)/n-Bu₄NSCN system

Authors:	Nasser Iranpoor Habib Firouzabadi Najmeh Nowrouzi

Institution:	Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran

Abstract:	A combination of triphenylphosphine (PPh₃) and 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) provides a safe and easily available mixed reagent system for the conversion of 1° and 2° alcohols, thiols, trimethylsilyl-, and tetrahydropyranyl ethers to their corresponding thiocyanates and the 3° ones to isothiocyanates in good to high yields.

Keywords:	Thiocyanation Isothiocyanation Alcohol Thiol Trimethylsilyl ether Tetrahydropyranyl ether Triphenylphosphine DDQ
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