Webover 3 steps MeOC MeOC Me 4. p-TsOH CH(OMe)3 MeOH, 50 °C Me O O Me MeO OMe MeO OMe 5. DIBAL-H CH2Cl2, -78 °C 6. aq. HOAc quantitative over 3 steps HO HO Me O O Me … WebC 12 H 13 N O 3 S: Molar mass: 251.30 g·mol −1 Appearance Colourless solid Melting point: ... Pyridinium p-toluenesulfonate (PPTS) is a colourless solid salt of pyridine and p-toluenesulfonic acid. Uses. In organic synthesis, PPTS is used as a weakly acidic catalyst, providing an organic soluble source of pyridinium (C 5 H 5 NH ...
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Webch 3 ch 3 o ch 3 ch 3 tl 1982, 29, 2237 o br co 2 me o br co 2 me o naome, meoh jacs 1980, 102, 4262 o o o naoh o o joc 1983, 48, 1217 ... (ch 3) 2c(ome) 2, ppts (48%) o tbso o o … WebJan 1, 2012 · Reagents and conditions: (a) Sc(OTf) 3, toluene, rt, 82%; (b) Sc(OTf) 3, TMSCN, CH 2 Cl 2, rt, followed by K 2 CO 3, MeOH, ... PPTS, CH(OMe) 3, CH 2 Cl 2, MeOH, reflux, … 58子公司
An Approach Toward Identification of Target Proteins of
WebStereoselective Synthesis of a Promising Flower-Inducing KODA Analog, (9R,12S,13R,15Z)-9-Hydroxy-12,13-methylene-10-oxooctadec-15-enoic Acid Shin SHIMOMURA, Shuho OYAMA, Kyohei NAKANO, Morifumi HASEGAWA, and Hiroaki TOSHIMAy Department of Bioresource Science, College of Agriculture, Ibaraki University, WebMay 17, 2013 · ModernOrganicSynthesisTransitionMetalCatalyzedCrossCouplingModernOrganicSynthesis2010Nobelprize瑞典皇家科学院说，这三名科学家因在有机合成领域 ... Web1, suggesting that all four compounds share similar mecha- nisms.9 The cellular target and mechanism of 1 (or 2-4) have not been elucidated, although an increasing amount of … 58宇宙牧