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Total synthesis of (–)-MY 336a from L-tyrosine

✍ Scribed by Xiang Wei Liao; Wen Fang Dong; Wei Liu; Bao He Guan; Zhan Zhu Liu


Publisher
Journal of Heterocyclic Chemistry
Year
2009
Tongue
English
Weight
73 KB
Volume
47
Category
Article
ISSN
0022-152X

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✦ Synopsis


Abstract

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Using L‐tyrosine as a chiral starting material, we developed an efficient synthetic route to (–)‐MY 336a. A key step in the sequence is a highly regio‐ and diastereoselective intermolecular Pictet‐Spengler cyclization reaction between amino alcohol and benzyloxyacetaldehyde. J. Heterocyclic Chem., (2010).


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Synthesis of an isomer of the renieramyc
✍ Wei Liu; Wen Fang Dong; Xiang Wei Liao; Bao He Guan; Zhan Zhu Liu 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 106 KB

## Abstract A new approach that tried to obviate the use of bromine protection groups was studied to synthesize (−)‐renieramycin G from L‐tyrosine. It was found that the first intermolecular Pictet–Spengler reaction proceeded successfully to give the correct tetrahydroisoquinoline precursor **6**.