Total Syntheses of (±)-Crinine, (±)-Crinamine, and (±)-6a-epi-Crinamine via the Regioselective Synthesis and Diels−Alder Reaction of 3-Aryl-5-bromo-2-pyrone

2008 ◽  
Vol 73 (16) ◽  
pp. 6258-6264 ◽  
Author(s):  
Nguyen Thanh Tam ◽  
Jayhyok Chang ◽  
Eun-Ju Jung ◽  
Cheon-Gyu Cho
Keyword(s):  
Alder Reaction ◽  
Diels Alder ◽  
Regioselective Synthesis ◽  
Total Syntheses ◽  
Diels Alder Reaction

Total syntheses of ericifolione and analogues via a biomimetic inverse-electron-demand Diels-Alder reaction

2021 ◽  
Author(s):  
Tingting Zhou ◽  
Anquan Zheng ◽  
Luqiong Huo ◽  
Changgeng Li ◽  
Haibo Tan ◽  
...  
Keyword(s):  
Sodium Acetate ◽  
Alder Reaction ◽  
Diels Alder ◽  
Total Syntheses ◽  
Inverse Electron Demand ◽  
Diels Alder Reaction ◽  
Sterically Hindered ◽  
Electron Demand

Driven by bioinspiration and appreciation of the structure of ericifolione, a biomimetic tautomerization/intermolecular inverse-electron-demand hetero Diels-Alder reaction cascade sequence promoted by sodium acetate to rapidly construct sterically hindered dihydropyran scaffolds...

ChemInform Abstract: Regioselective Synthesis of Polysubstituted Pyridines via Hetero-Diels-Alder Reaction of Isotellurazoles with Acetylenic Dienophiles.

ChemInform ◽  
2010 ◽  
Vol 41 (11) ◽  
pp. no-no
Author(s):  
Kazuaki Shimada ◽  
Yukichi Takata ◽  
Yu Osaki ◽  
Akiko Moro-oka ◽  
Hisashi Kogawa ◽  
...  
Keyword(s):  
Alder Reaction ◽  
Diels Alder ◽  
Regioselective Synthesis ◽  
Diels Alder Reaction

Yb(OTf)3 catalysed regioselective synthesis of unusual di- and tri- substituted 3,4-dihydrothiochromeno[3,2-e][1,3]thiazin-5(2H)-one derivatives through a pseudo four-component hetero-Diels–Alder reaction

RSC Advances ◽  
2015 ◽  
Vol 5 (59) ◽  
pp. 48104-48111 ◽  
Author(s):  
Karuna Mahato ◽  
Prasanta Ray Bagdi ◽  
Abu T. Khan
Keyword(s):  
Alder Reaction ◽  
Diels Alder ◽  
Regioselective Synthesis ◽  
Ytterbium Triflate ◽  
Diels Alder Reaction

An efficient and facile regioselective synthesis of di- and tri-substituted 3,4-dihydrothiochromeno[3,2-e][1,3]thiazin-5(2H)-one derivatives was achieved through an ytterbium triflate catalysed pseudo four component hetero-Diels–Alder reaction.

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