环化作用相关论文
通过环化作用来限定多肽的空间构象,提高多肽的稳定性,是对多肽进行结构改造的一种非常重要的方法。环化能降低母体分子的柔性,稳定多......
串联反应可以在一步反应中构建多个化学键,是一种能够实现反应过程简捷的非常有效的合成策略,是当前有机合成化学研究的热点领域。Kn......
以环氧氯丙烷和叔丁醇为基本原料,经加成反应和环化作用,合成了缩水甘油基叔丁基醚(TBGE);用正交实验方法优化了TBGE的合成条件,气相......
2, 3, 11, 12-Tetramethoxy-3b, 4, 5, 6-tetrahydro-8H-7a-aza-benzo[fg]naphthacen-7-one 7 was synthesized via N-acyliminium......
我们在合成蛇床酞内酯的过程中,发现了一个新的有机化学反应和一个新的有机化合物,这个化合物就是3-甲氧基-3a,4,5,7a-四氢苯酞。......
1IntroductionPyrazoline derivatives are formed by benzeno-hydrazone cyclization. Because cyclization leads to double bon......
1IntroductionWoody odorants constitute an important olfactory family in perfumery[1]. Essential wood oils, traditionally......
以环氧氯丙烷(ECH)和叔丁醇(TBA)为原料,经加成反应和环化作用,合成了缩水甘油基叔丁基醚(TBGE);研究了催化剂类型、ECH与TBA物料比、催......
Aromatic polybenzoxazole (PBO) precursor, hydroxy-substituted polyenaminonitrile, was prepared by direct polycondensatio......
Ferric chloride catalyzes the isomerization and cyclization of geraniol,linalood and nerol in acctonitrile giving α-ter......
1-[1-(Benzyloxy )-3-methylnaphthalen-4-yloxy]propan-2-one (镧) 发生了形成 9-substitued benzo 的环合,脱苄基作用和氧化[de ]......
...
11-Oxo-10,11-dihydroxy-5H-indolo [3,2, b ]quinoline7 羧基的酸被 polyphosphorous 酸明确地获得有最佳的反应条件的催化环合。......
A series of novel cyclic derivatives have been synthesized by utilizing a nickel powder mediated radical cyclization as ......
...
从容易地可得到的 L 维生素酸的 oxazolidinone 抗菌剂 linezolid 的一条简便合成法被描述。关键步骤面对 NaBH_4 和 4A 筛包括芳......
...
代替的 2-halomethyl-2,3-dihydrobenzofurans 在干燥 CH2Cl2 面对 I2 或 Br2 与 diacetoxyiodobenzene 从代替的 o-allylphenols ......
Treatment of N-alkoxyamides with bis(trifluoroacetoxy)iodobenzene generated electron deficient nitrogen species, which r......
Unexpected Synthesis of 2, 2'-[1-(4-Methoxyphenoxy)propane-2, 2-diyl]bis(5-methoxy-3-methylbenzofura
A new bisbenzofuran analogue Ⅶ was achieved unexpectedly in one step procedure from 1-(4-methoxyphenoxy)acetone I by us......
...
A novel synthetic strategy for the construction of 4′-spironucleosides via cascade radical translocation cyclization of......
(1S,2R,3R,5R,7aR)-1,2-Dihydroxy-3-hydroxymethyl-5-methylpyrrolizidine(hyacinthacine A6,1) was synthesized by Wittig'......
采用紫外吸收光谱法测定了乙醇、环已烷与β-环糊精包合反应稳定常数及自由能变化,确定乙醇与β-环糊精的包合反应稳定常数Ks=4.71......
期刊