Asymmetric [2,3]-Wittig Rearrangement of Oxygenated Allyl Benzyl Ethers in the Presence of a Chiral di-tBu-bis(oxazoline) Ligand: A Novel Synthetic Approach to THF Lignans

2009 ◽  
Vol 15 (38) ◽  
pp. 9911-9917 ◽  
Author(s):  
Maria Kitamura ◽  
Yoshimi Hirokawa ◽  
Naoyoshi Maezaki
Keyword(s):  
Synthetic Approach ◽  
Wittig Rearrangement ◽  
Benzyl Ethers

ChemInform Abstract: Gas-Phase Wittig Rearrangement of Carbanions Derived from Benzyl Ethers.

ChemInform ◽  
1987 ◽  
Vol 18 (29) ◽  
Author(s):  
P. C. H. EICHINGER ◽  
J. H. BOWIE ◽  
T. BLUMENTHAL
Keyword(s):  
Gas Phase ◽  
Wittig Rearrangement ◽  
Benzyl Ethers

Visible Light Mediated Synthesis of 6H-Benzo[c]chromenes: Transition-Metal-Free Intramolecular Direct C-H Arylation

2021 ◽  
Author(s):  
Micaela Heredia ◽  
Marcelo Puiatti ◽  
Roberto A. Rossi ◽  
María E. Budén
Keyword(s):  
Transition Metal ◽  
Visible Light ◽  
Synthetic Approach ◽  
Metal Free ◽  
Benzyl Ethers ◽  
Phenyl Ethers ◽  
Chromene Ring

A synthetic approach towards 6H-benzo[c]chromene ring under visible light and transition-metal-free conditions has been developed. Benzochromenes are synthesized from the corresponding (2-halobenzyl) phenyl ethers or (2-halophenyl) benzyl ethers using KOtBu...

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