نتایج جستجو برای: indonesian natural products

تعداد نتایج: 764311  

Journal: :Angewandte Chemie 2015
Benke Hong Houhua Li Jinbao Wu Jing Zhang Xiaoguang Lei

Utilizing a late-stage enamine bromofunctionalization strategy, the twelve-step total synthesis of (-)-huperzine Q was accomplished. Furthermore, the first total syntheses of (+)-lycopladines B and C are described. An unprecedented X-ray crystal structure of an unusual epoxyamine intermediate is also reported, and the synthetic application of this intermediate in natural product synthesis is de...

Journal: :Organic letters 2001
D A Evans K A Scheidt C W Downey

The synthesis of (-)-epibatidine has been accomplished utilizing a highly exo-selective asymmetric hetero Diels-Alder reaction. The key steps employed to transform the resulting bicycle into the natural product include a fluoride-promoted fragmentation and a Hofmann rearrangement. Reaction: see text.

Journal: :Molecules 2017
Juan Zhang Hua Zhang Luis Alexandre Muehlmann Cheng-Shi Jiang Yue-Wei Guo

In the last decades, marine natural products (MNPs), have attracted extensive interest from both chemists and pharmacologists due to their chemical and bioactive diversities. This special issue, collecting total synthesis and structural modification of six different type of bioactive MNPs, is expected to inspire and attract more research effects invested into MNP research.

Journal: :Organic letters 2013
Wenbo Xu Shuming Wu Lili Zhou Guangxin Liang

A concise and scalable synthesis of a cis-fused bicyclo[5.3.0]decane ring system has been developed for the total synthesis of echinopines. The core of the natural products was constructed efficiently through an intramolecular 1,3-dipolar cycloaddition and ring contraction strategy.

2016
Sarah Ann Long Sarah A. Long David M. Cwiertny Amanda J. Haes Daniel M. Quinn David F. Wiemer Jonas Baltrusaitis

Journal: :Angewandte Chemie 2000
Nicolaou Vourloumis Winssinger Baran

A new millenium has begun-grounds enough to question the present state of the total synthesis of natural products. In this review we answer this question by tracing the evolution of this fine art and science from its birth to the present time. This retrospective on total synthesis should serve to demonstrate how far we have come, yet show that the science of total synthesis is still in its infa...

2012
Farid Chemat Maryline Abert Vian Giancarlo Cravotto

The design of green and sustainable extraction methods of natural products is currently a hot research topic in the multidisciplinary area of applied chemistry, biology and technology. Herein we aimed to introduce the six principles of green-extraction, describing a multifaceted strategy to apply this concept at research and industrial level. The mainstay of this working protocol are new and in...

Journal: :Chimia 2010
Karl Gademann Andreas Pfaltz Hermann A Wegner Helma Wennemers Wolf D Woggon Antoinette Chougnet

Research projects of the Department of Chemistry, University of Basel are reviewed ranging from the synthesis of complex natural products to the development of metalorganic catalysts and organocatalysts.

Journal: :Chemical communications 2011
Chung-Hang Leung Daniel Shiu-Hin Chan Hui Yang Ruben Abagyan Simon Ming-Yuen Lee Guo-Yuan Zhu Wang-Fun Fong Dik-Lung Ma

The natural product-like 6,6″-biapigenin has been identified as only the second inhibitor of NEDD8-activating enzyme using virtual screening. This compound was active in enzyme and cell-based assays, with potency in the micromolar range.

2012
Mostofa Jaman

This is a segment of the Literature Review chapter of a working paper titled, “Introducing Sugar Cane Juice in the Foreign MarketA Thorough Market Potential”. The paper entails a detailed analysis of the market segment strategy for the betterment of unders tanding and ensuring essentials in considering the right customer class to push the natural product to. The report is still in field level a...

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