946-02-1Relevant articles and documents
One-pot synthesis of ω-chloroesters via the reaction of acid chlorides with tetrahydrofuran in the presence of trichloroborane
Malladi, Rama R.,Kabalka, George W.
, p. 1997 - 2001 (2002)
The reaction of acid chlorides with tetrahydrofuran in the presence of trichloroborane produces ω-chloroesters in excellent yields.
Preparation method of p-phenylbutoxybenzoic acid
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Paragraph 0043-0046, (2020/07/24)
The invention discloses a preparation method of p-phenylbutoxybenzoic acid. The preparation method comprises the following steps: using tetrahydrofuran as an initial raw material; carrying out a catalytic reaction with benzoyl chloride to prepare 4-chlorobutanol benzoate; carrying out a Friedel-Crafts alkylation reaction and hydrolysis on 4-chlorobutanol benzoate and benzene to obtain 4-phenylbutanol, carrying out a reaction on the 4-phenylbutanol and thionyl chloride to obtain 4-phenylchlorobutane, carrying out an alkylation reaction on the 4-phenylchlorobutane and methyl p-hydroxybenzoate under the action of potassium carbonate to obtain methyl p-phenylbutoxybenzoate. The raw materials used in the invention are cheap and easily available, the process is easy to realize industrialization,and the obtained final product has the advantages of high purity, novel route, short synthesis route, no dangerous process and simple equipment.
A Straightforward Conversion of Activated Amides and Haloalkanes into Esters under Transition-Metal-Free Cs 2 CO 3 /DMAP Conditions
Chen, Liuqing,Gu, Ying,Jian, Junsheng,Liu, Yueping,Miao, Liqiong,Wang, Zijia,Zeng, Zhuo
supporting information, p. 4078 - 4084 (2019/10/28)
The esterification of activated amides, N -acylsaccharins, under transition-metal-free conditions with good functional group tolerance has been developed, resulting in C-N cleavage leading to efficient synthesis of a variety of esters in moderate to good yields. This work demonstrates that esterification may proceed by using simple N -acylsaccharins, haloalkanes, and Cs 2 CO 3 as oxygen source.