Synthesis of n-alkyl terminal halohydrin esters from acid halides and cyclic ethers or thioethers under solvent- and catalyst-free conditions

Venkatesham Kunuru; Babu Dokuburra Chanti; Bharadwaj Tatipamula Vinay; Bunce Richard A.; Rao Chitturi Bhujanga; Venkateswarlu Yenamandra

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Synthesis of n-alkyl terminal halohydrin esters from acid halides and cyclic ethers or thioethers under solvent- and catalyst-free conditions

机译：在无溶剂和无催化剂的条件下，由酰基卤与环状醚或硫醚合成正烷基末端卤代醇酯

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An efficient and eco-friendly protocol has been developed for the preparation of n-alkyl terminal halohydrin esters under solvent- and catalyst-free conditions. Ring opening of cyclic ethers by organic acid halides affords the 1,4- and 1,5-halohydrins, OH-protected by different acyl groups. The green reaction conditions, simple work-up procedures, high yields and broad substrate scope of the reaction highlight the positive features of this method.

机译：已经开发了一种有效且环保的方案，用于在无溶剂和无催化剂条件下制备正烷基末端卤代醇酯。通过有机酰基卤将环状醚开环，得到1，4-和1，5-卤代醇，由不同的酰基进行OH保护。绿色的反应条件，简单的后处理程序，高收率和广泛的反应范围突出了该方法的积极特性。

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《RSC Advances》 |2014年第94期|共4页
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Venkatesham Kunuru; Babu Dokuburra Chanti; Bharadwaj Tatipamula Vinay; Bunce Richard A.; Rao Chitturi Bhujanga; Venkateswarlu Yenamandra;
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1. Synthesis of n-alkyl terminal halohydrin esters from acid halides and cyclic ethers or thioethers under solvent- and catalyst-free conditions [J] . Venkatesham Kunuru, Babu Dokuburra Chanti, Bharadwaj Tatipamula Vinay, RSC Advances . 2014,第94期

机译：在无溶剂和无催化剂的条件下，由酰基卤与环状醚或硫醚合成正烷基末端卤代醇酯
2. Synthesis of alpha-hydroxyl amides via direct amidation of lactic acid at solvent- and catalyst-free conditions [J] . Huang Meiying, Zhong Shanshan, Xu Mengli, Journal of chemical research: reviews and research papers from all branches of chemistry . 2015,第5期

机译：在无溶剂和无催化剂的条件下通过乳酸的直接酰胺化反应合成α-羟基酰胺
3. A Sequential One-Pot Synthesis of Functionalized Esters and Thioesters through a Ring-Opening Acylation of Cyclic Ethers and Thioethers [J] . Purushothaman Gopinath, Srinivasan Chandrasekaran European journal of organic chemistry . 2018,第46期

机译：通过环状醚和硫醚的开环酰化官能化酯和硫代酯的序贯单壶合成
4. Synthesis of a Polyphosphazene Bearing Aryloxy Carboxylic Acid, Amino Acid Ester and Alkyl Ether Side Groups for Sustained Release Applications [C] . Mwita V.B. Phelps, Harry R. Allcock Division of Polymeric Material: Science and Engineering American Chemical Society meeting . 2004

机译：用于持续释放应用的聚氧化芳氧基羧酸，氨基酸酯和烷基醚侧组的聚磷腈合成
5. Copper Promoted Coupling of Vinyl Boronates with Alcohols: A Mild Synthesis of Allyl Vinyl Ethers and Cellular Imaging and Synthesis of the Calcium Sensor Fluoresceindigalactose-Bisaminophenoxyethane-N,N,N',N'-Tetraacetic Acid-Acetoxymethyl Ester [D] . Shade, Ryan Edward 2010

机译：铜促进乙烯基硼酸酯与醇的偶联：烯丙基乙烯基醚的轻度合成和细胞成像以及钙传感器荧光二乳糖-双氨基苯氧基乙烷-N，N，N'，N'-四乙酸-乙酰氧基甲基酯的合成
6. An atom-economical addition of methyl azaarenes with aromatic aldehydes via benzylic C(sp3)–H bond functionalization under solvent- and catalyst-free conditions [O] . Divya Rohini Yennamaneni, Vasu Amrutham, Krishna Sai Gajula, 2020

机译：通过苄基C（SP3）-H键官能化在溶剂和催化剂条件下与芳香族醛进行原子经济的加入甲基α1azaarenes
7. [BMIM][PF6] Promotes the synthesis of halohydrin esters from diols using potassium halides [O] . Oromí Farrús, Mireia, Eras i Joli, Jordi, Villorbina Noguera, Gemma, 2008

机译：[BmIm] [pF6]使用卤化钾促进二醇合成卤代醇酯

Synthesis of n-alkyl terminal halohydrin esters from acid halides and cyclic ethers or thioethers under solvent- and catalyst-free conditions

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