Studies on Lignin and Related Compounds. LXIX. Isolation of 1-(4-Hydroxy-3-methoxyphenyl)-2-propanone and 1-Ethoxy-1-(4-hydroxy-3-methoxyphenyl)-2-propanone from the Ethanolysis Products of Spruce Wood1
Studies on Lignin and Related Compounds. LXXX. The Ethanolysis of 1-Acetoxy-1-(4-acetoxy-3-methoxyphenyl)-2-propanone and its Relation to Lignin Structure1
LIGNIN MODEL COMPOUNDS: II. PREPARATION AND PROPERTIES OF 1-HYDROXY-1-(4-HYDROXY-3-METHOXYPHENYL)-2-PROPANONE
作者:J. A. F. Gardner、D. W. Henderson、Harold MacLean
DOI:10.1139/v62-253
日期:1962.8.1
Modern concepts of lignin structure suggest that the ketol 1-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-2-propanone, VI, should be detectable in the hydrolysis products of lignin and wood. A reference sample of VI, previously unavailable, has now been prepared by catalytic hydrogenation of the diketone 1-(4-hydroxy-3-methoxyphenyl)-1,2-propanedione, II. Both fermentative and catalytic hydrogenation of II
木质素结构的现代概念表明,酮醇 1-羟基-1-(4-羟基-3-甲氧基苯基)-2-丙酮 VI 应该可以在木质素和木材的水解产物中检测到。以前无法获得的 VI 参考样品现在已通过二酮 1-(4-羟基-3-甲氧基苯基)-1,2-丙二酮 II 的催化氢化制备。根据纸色谱,II 的发酵和催化氢化均得到主要为 2-羟基-1-(4-羟基-3-甲氧基苯基)-1-丙酮,V 的混合物;所需的酮醇,VI;少量香草酸;以及痕量愈创木酰丙酮和一种未知的酚类化合物。通过溶剂分馏从催化氢化产物中分离出酮醇 VI,并通过吸收光谱、衍生物以及与其他两种可能的异构酮醇的比较进行鉴定。
Anomalous behaviour of substituted allyl benzenes in palladium(II) catalysed reaction
作者:Meera Iyer、Dinesh N. Rele、G.K. Trivedi
DOI:10.1016/s0040-4039(01)80302-6
日期:——
The Wacker reaction is one of the finest examples of transition metal promoted nucleophilic addition to olefins. An unusual observation has been made with regard to the normal Wacker process, whereby, the oxidation of eugenol (1) and methyl chavicol (2) does not lead to their respective carbonyl compounds. The reactions leading to the formation of two novel products and their mechanistic aspects are
Studies on Lignin and Related Compounds. LXVIII. Synthesis and Properties of 1-Ethoxy-1-(4-hydroxy-3-methoxyphenyl)-2-propanone, 3-Ethoxy-1-(4-hydroxy-3-methoxyphenyl)-2-propanone and Their Methyl Ethers
作者:Marshall Kulka、Harold Hibbert
DOI:10.1021/ja01246a047
日期:1943.6
IYER, MEERA;RELE, DINESH N.;TRIVEDI, G. K., TETRAHEDRON LETT., 30,(1989) N, C. 759-762