Cu‐Catalyzed Phenol O‐Methylation with Methylboronic Acid
作者:Mairead E. Bartlett、Yingchuan Zhu、Uma Bhagwat Gaffney、Joyce Lee、Miranda Wu、Betemariam Sharew、Angela K. Chavez、David J. Gorin
DOI:10.1002/ejoc.202100902
日期:2021.11.8
oxidative cross-coupling of phenols with methylboronic acid provides a synthetic route to aryl methylethers, expanding the scope of Chan-Evans-Lam alkylation. The reaction proceeds under “open flask” conditions with no additional oxidant. Electron-deficient phenol derivatives are methylated in high yields, and some N-heterocycles are tolerated.
Homogeneous Palladium-Catalyzed Selective Reduction of 2,2′-Biphenols Using HCO2H as Hydrogen Source
作者:Wen Yang、Wanxiang Zhao、Ruoling Li、Chenchen Li
DOI:10.1055/a-1337-5153
日期:2021.5
efficient homogeneous palladium-catalyzed selective deoxygenation of 2,2′-biphenols by reduction of aryl triflates with HCO2H as the hydrogensource is reported. This protocol complements the current method based on heterogeneous Pd/C-catalyzed hydrogenation with hydrogen gas. This process provided the reduction products in good to excellent yields, which could be readily converted to various synthetically
Horseradish peroxidase activated by hydroperoxide of 2-MeTHF catalyzes the synthesis of Pummerer's Ketones under blue-LED Photon irradiation in the presence of meso-TPP. Lignin nanoparticles worked as an electroactive platform in improving the activity of the enzyme.
辣根过氧化物酶被 2-MeTHF 的氢过氧化物激活,在内消旋-TPP存在下,在蓝色 LED 光子照射下催化普默勒酮的合成。木质素纳米粒子作为电活性平台来提高酶的活性。
METHOD FOR PRODUCING HYDROXYPHENYLCYCLOHEXANOL COMPOUND
申请人:Sumitomo Chemical Company Limited
公开号:EP2842930A1
公开(公告)日:2015-03-04
A method comprising a step of stirring a composition containing a biphenol compound represented by the formula (1):
wherein, R1 and R2 represent each independently an alkyl group having 1 to 3 carbon atoms, and m and n represent each independently an integer of 0 to 2, a secondary alcohol and a nickel catalyst, for producing a hydroxyphenylcyclohexanol compound represented by the formula (2):
wherein, R1, R2, m and n represent the same meaning as described above, with the proviso that the above-described secondary alcohol has a different structure from that of the hydroxyphenylcyclohexanol compound represented by the above-described formula (2).
一种方法,包括搅拌含有由式(1)表示的双酚化合物的组合物的步骤:
其中,R1 和 R2 各自独立地代表具有 1 至 3 个碳原子的烷基,m 和 n 各自独立地代表 0 至 2 的整数、仲醇和镍催化剂,用于生产式(2)所代表的羟苯基环己醇化合物:
其中,R1、R2、m 和 n 所代表的含义与上述相同,但上述仲醇的结构与上述式(2)所代表的羟苯基环己醇化合物的结构不同。