Abstract A convenient and facile synthesis of phenacyl esters is reported by the reaction of phenacyl bromide with potassium salts of aromatic acids in the presence of β‐cyclodextrin in water under neutral conditions. IICT Communication 050211.
[EN] INDUSTRIAL METHODS FOR PRODUCING ARYLSULFUR PENTAFLUORIDES<br/>[FR] PROCÉDÉS INDUSTRIELS POUR PRODUIRE DES PENTAFLUORURES D'ARYLSOUFRE
申请人:UBE INDUSTRIES
公开号:WO2012111839A1
公开(公告)日:2012-08-23
Industrial methods for producing arylsulfur pentafluorides are disclosed. Methods include reacting arylsulfur halotetrafluoride with hydrogen fluoride in the absence or presence of one or more additives selected from a group of fluoride salts, non-fluoride salts, and unsaturated organic compounds to form arylsulfur pentafluorides.
作者:Qiang-Qiang Li、Zaher Shah、Jian-Ping Qu、Yan-Biao Kang
DOI:10.1021/acs.joc.7b02720
日期:2018.1.5
A base-promoted transition metal-free approach to substituted alkenes using alcohols under aerobic conditions using air as the inexpensive and clean oxidant is described. Aldehydes are relatively difficult to handle compared to corresponding alcohols due to their volatility and penchant to polymerize and autoxidize. Wittig ylides are easily oxidized to aldehydes and consequently form homo-olefination
Iridium-Catalyzed Aryl C–H Sulfonamidation and Amide Formation Using a Bifunctional Nitrogen Source
作者:Meng Yu、Tao Zhang、Hitesh B. Jalani、Xunqing Dong、Hongjian Lu、Guigen Li
DOI:10.1021/acs.orglett.8b01977
日期:2018.8.17
A new strategy for the sequential formation of aryl and amidyl C–N bonds is reported. Using trichloroethoxysulfonyl azide as a bifunctional nitrogensource, Ir-catalyzed aryl C–H sulfonamidation and subsequent desulfonative amide formation proceed effectively without any need of oxidants or coupling reagents. This protocol is suitable for readily available benzamides and stable carboxylates including
Facile and direct synthesis of symmetrical acid anhydrides using a newly prepared powerful and efficient mixed reagent
作者:Hamed Rouhi-Saadabad、Batool Akhlaghinia
DOI:10.1515/chempap-2015-0042
日期:2015.1.1
An efficient mixed reagent for direct synthesis of symmetrical carboxylic anhydrides from carboxylic acids has been prepared. Carboxylic acids are converted to anhydrides using triphenylphosphine/trichloroisocyanuric acid under mild reaction conditions at room temperature. Short reaction time, excellent yields of products, low cost, availability of reagents, simple experimental procedure, and easy