MORE DEAD ENDS AND DETOURS EN ROUTE TO SUCCESSFUL TOTAL SYNTHESIS

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【簡介】 Success comes in many forms and in synthesis it can be a failure that results in their ultimate successful solutions. This long-awaited sequel to "Dead Ends and Detours" retains the proven concept while featuring over 20 new case studies of failed strategies and their (successful) solutions in natural product total synthesis. Additionally, computational models are used to discuss the problem in much more detail and to provide readers with additional information not found in the primary literature. The topics range from classic synthetic reactions (e.g. Diels Alder reaction), metal-mediated coupling reactions, metathesis, and asymmetric catalysis to the importance of protecting and activating groups. This book will benefit not only graduate students in organic chemistry but also advanced researchers as they gain knowledge derived from the step-by-step analysis of mistakes made in the past and, thus be able to improve their own chemical reaction planning. With its coverage of the most commonly applied reaction types, the book perfectly complements its predecessor, which focuses on general aspects, such as reactivity and selectivity. 【目錄】

Le Delf pour les nuls B1, Livre + Audio telechargeable en ligne

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【簡介】 這是一本屬於 「傻瓜系列」（Pour les nuls，法文書籍系列名） 的 法語外語（FLE）DELF 考試準備用書，適用於大齡青少年及成人，程度為 B1。 擁有一切，讓你輕鬆通過檢定考！ DELF 是法國國民教育部頒發的官方文憑，用於證明外國考生的法語能力。 這本針對 B1 程度（中級） 的備考書籍，指導學習者成功通過每一個考試項目：聽力理解、閱讀理解、寫作和口說。您將在書中找到所有必要的要素：易懂的解釋、有效的策略、實用的小技巧，以及最重要的——為讓您一步步進步而設計的練習活動。 隨書附贈：40 段線上音檔，可在數位空間播放或下載。