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雨菲9323金蟲(chóng) (初入文壇)
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[求助]
自我感覺(jué)沒(méi)理解好，求助有機(jī)翻譯
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Our strategy for the synthesis was based around the elegant build/couple/pair (B/C/P) approach described by Nielsen and Schreiber (55). The outline of our B/C/P pathway is shown in Scheme 1. The build step involves the preparation of two types of chiral building blocks: The first contains a free amine and an azide (“azido-amine” building blocks), whereas the second contains a carboxylic acid and an alkyne (“alkyne-acid” building blocks). Coupling of three of these building blocks via amide bond formation would furnish a range of tripeptide derivatives;this process provides the basis for stereochemical diversity. The subsequent pair phase provides the basis for scaffold diversity and will comprise of two cyclization steps. |
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鐵桿木蟲(chóng) (著名寫(xiě)手)
- 翻譯EPI: 88
- 應(yīng)助: 1 (幼兒園)
- 貴賓: 0.005
- 金幣: 9724.8
- 散金: 7
- 紅花: 4
- 帖子: 1337
- 在線(xiàn): 105.6小時(shí)
- 蟲(chóng)號(hào): 590066
- 注冊(cè): 2008-08-31
- 專(zhuān)業(yè): 有機(jī)合成
【答案】應(yīng)助回帖
雨菲9323(金幣+15, 翻譯EPI+1): 謝謝 2011-08-26 16:23:50
| 我們的合成策略是基于Nielsen and Schreiber (55)所描述的經(jīng)典的BCP研究方法。我們的BCP概括為以下流程：建立步驟包括兩類(lèi)手性合成單元的準(zhǔn)備：第一個(gè)含有自由氫的胺基和疊氮，第二個(gè)含有羧酸和炔基。通過(guò)形成酰胺鍵，3個(gè)這種合成單元的縮合可以提供一系列的三肽衍生物。這個(gè)方法何以提供立體化學(xué)多樣性的基礎(chǔ)。后續(xù)的雙相包含兩個(gè)環(huán)化步驟，可以提供骨架的多樣性 |
2樓2011-08-26 15:27:03
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