Improved synthesis of C-2-symmetric 4,4 '-alpha,omega-alkylenedioxy-bis(3-methoxybenzaldehydes)

Maley PS; Anderson RM; Lewis DE

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Improved synthesis of C-2-symmetric 4,4 '-alpha,omega-alkylenedioxy-bis(3-methoxybenzaldehydes)

机译：改进的C-2-对称的4,4'-α，ω-亚烷基二氧基-双（3-甲氧基苯甲醛）的合成

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摘要

An improved Williamson synthesis of C-2-symmetric 4,4'-(alpha,omega-alkylenedioxy)-bis(3-methoxybenzaldehydes) from vanillin is described. These dialdehydes are often insoluble in cold acetone, which renders their purification especially facile.

机译：描述了从香兰素改进的Williamson合成C-2-对称的4,4'-（α，ω-亚烷基二氧基）-双（3-甲氧基苯甲醛）的方法。这些二醛通常不溶于冷丙酮，这使其纯化特别容易。

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《Synthetic Communications》 |2005年第12期|共6页
作者
Maley PS; Anderson RM; Lewis DE;
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正文语种 eng
中图分类有机化学;
关键词
C-2 symmetry; dialdehydes; phenols; Williamson synthesis; DIMERIC LIQUID-CRYSTALS;

机译：C-2对称性;二醛;酚;威廉森合成;二元液态晶体;

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专利

1. Improved synthesis of C-2-symmetric 4,4 '-alpha,omega-alkylenedioxy-bis(3-methoxybenzaldehydes) [J] . Maley PS, Anderson RM, Lewis DE Synthetic Communications . 2005,第12期

机译：改进的C-2-对称的4,4'-α，ω-亚烷基二氧基-双（3-甲氧基苯甲醛）的合成
2. Synthesis and conformational study of homo-peptides based on (S)-Bin, a C-2-symmetric binaphthyl-derived C-alpha,C-alpha-disubstituted glycine with only axial chirality [J] . Mazaleyrat JP., Wright K., Gaucher A., Tetrahedron, Asymmetry: The International Journal for Repid Publication on all Aspects of Asymmetry in Orgainc, Inorganic, Organometallic, Physical and Bio-Organic Chemistry . 2003,第13期

机译：基于（S）-Bin的同肽的合成和构象研究，S-Bin是仅具有轴向手性的C-2-对称双萘基衍生的C-alpha，C-alpha-二取代甘氨酸
3. Synthesis of 4,4-Difluoroalkenes by Coupling of alpha-Substituted alpha,alpha-Difluoromethyl Halides with Allyl Sulfones under Photoredox Catalyzed Conditions [J] . Uno Misae, Sumino Shuhei, Fukuyama Takahide, The Journal of Organic Chemistry . 2019,第14期

机译：通过在光致氧催化条件下用α-取代的α，α-二氟甲基卤化物偶联的α-二氟甲基卤化物合成4,4-二氟烷烃
4. An improved approach to the synthesis of N-acyl-alpha,alpha-dialkylglycines,their esters and amides using Ugi's four-component reaction [C] . Susana P.G.Costa, Hernani L.S.Maia, Silvia M.A.Pereira-Lima European Peptide Symposium . 2002

机译：使用UGI的四分组分反应合成N-酰基-α，α-二烷基甘氨酸，酯和酰胺的改进方法
5. Improved Synthesis and Thermal Stability of Electrode-supported alpha-alumina Separator for Lithium Ion Batteries. [D] . Sharma, Gaurav. 2016

机译：锂离子电池用电极支撑的α-氧化铝隔膜的改进合成和热稳定性。
6. Early molecular events induced by T cell receptor (TCR) signaling in immature CD4+ CD8+ thymocytes: increased synthesis of TCR-alpha protein is an early response to TCR signaling that compensates for TCR-alpha instability improves TCR assembly and parallels other indicators of positive selection [O] . 1995

机译：T细胞受体（TCR）信号在未成熟的CD4 + CD8 +胸腺细胞中诱导的早期分子事件：TCR-α蛋白合成的增加是对TCR信号的早期反应补偿了TCR-α的不稳定性改善了TCR组装并与其他阳性指标平行选择
7. A synthesis of simple 4,4-disubstituted tetrahydroisoquinolines by cyclization of .ALPHA.,.ALPHA.-disubstituted phenylacetamides. [O] . SHINZO KANO, TSUTOMU YOKOMATSU, YOKO YUASA, 1985

机译：通过静脉曲张化的环化合成简单的4,4-二取代的四氢异喹啉。。，。α-二取代的苯乙酰胺。

Improved synthesis of C-2-symmetric 4,4 '-alpha,omega-alkylenedioxy-bis(3-methoxybenzaldehydes)

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