Domino and one-pot syntheses of biologically active compounds using diphenylprolinol silyl ether

2020 ◽  
Vol 5 (6) ◽  
Author(s):  
Yujiro Hayashi
Keyword(s):  
Natural Products ◽  
Biologically Active Compounds ◽  
Biologically Active ◽  
Silyl Ether ◽  
One Pot ◽  
Active Compounds

AbstractThe successful application of diphenylprolinol silyl ether, which is one of the widely used organocatalysts, to the synthesis of natural products and drugs, is described mostly focusing on the author’s results. The molecules that are explained in this paper are baclofen, telcagepant, oseltamivir, ABT-341, prostaglandins, estradiol, horsfiline and coerulescine.

Rhodium-Catalyzed Double Isocyanide Insertion via a Vinylcarbodiimide Intermediate for the Synthesis of 2H-Pyrrol-2-imines

Synthesis ◽  
2019 ◽  
Vol 51 (17) ◽  
pp. 3250-3258
Author(s):  
Yunlong Wang ◽  
Zongyang Li ◽  
Haiying Zhao ◽  
Zhenhua Zhang
Keyword(s):  
Natural Products ◽  
Cascade Reaction ◽  
Biologically Active Compounds ◽  
Biologically Active ◽  
Structural Motif ◽  
One Pot ◽  
Active Compounds

2H-Pyrrol-2-imine is an important structural motif exhibiting in biologically active compounds and natural products. An efficient rhodium-catalyzed one-pot reaction of one vinyl azide with sequentially with two different isocyanides is reported, which offers an alternative facile access to 3-amino-5-aryl-2H-pyrrol-2-imines bearing various substitution on the nitrogens in good yields. An unstable vinylcarbodiimide is the key intermediate in this cascade reaction.

Accessing Polycyclic Terpenoids from Zerumbone via Lewis Acid Catalyzed Synthetic Strategies

Synthesis ◽  
2020 ◽  
Vol 52 (14) ◽  
pp. 2045-2064 ◽  
Author(s):  
Puthiyaparambath Sharathna ◽  
Murugan Thulasi Meenu ◽  
Kokkuvayil Vasu Radhakrishnan ◽  
Bhandara Purayil Dhanya ◽  
Greeshma Gopalan ◽  
...  
Keyword(s):  
Natural Products ◽  
Lewis Acid ◽  
Biologically Active Compounds ◽  
Biologically Active ◽  
Effective Strategy ◽  
Structural Elements ◽  
Nazarov Cyclization ◽  
Active Compounds ◽  
Acid Catalyzed

We herein disclose an effective strategy for the synthesis of [5.3.0] and [6.3.0] fused polycyclic terpenoids, which are important structural elements of natural products and biologically active compounds. The method comprises of Lewis acid catalyzed interrupted Nazarov cyclization of zerumbone derivatives such as zerumbone epoxide, triazole-appended zerumbone, zerumbal, and zerumbenone with a wide substrate scope with different indoles. Zerumbone epoxide furnished [5.3.0] and [6.3.0] fused structurally diverse sesquiterpenoids and all other zerumbone derivatives furnished the [6.3.0] fused motifs.

Developments toward the synthesis and application of 3-hydroxyindanones

2016 ◽  
Vol 14 (38) ◽  
pp. 8895-8910 ◽  
Author(s):  
Tanmoy Chanda ◽  
Maya Shankar Singh
Keyword(s):  
Natural Products ◽  
Functional Materials ◽  
Biologically Active Compounds ◽  
Biologically Active ◽  
Comprehensive Overview ◽  
Active Compounds ◽  
Drug Candidates

3-Hydroxyindanone is an important scaffold in many natural products, biologically active compounds, and functional materials. This review provides a comprehensive overview of the construction of 3-hydroxyindanone derivatives and their applications towards pharmaceutically promising drug candidates.

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