Lewis-acid (LA)-catalyzed reactions are of great interest because of their unique reactivities
and selectivities and mild reaction conditions used. 1, 2 A wide variety of reactions using …

The O-dealkylation of ethers, or ether cleavage, remains an integral functional group
transformation, primarily as a deprotection step to unmask a hydroxyl group. The utility of this …

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HCl, generated in situ from 2, 4, 6-trichloro [1, 3, 5] triazine (TCT, cyanuric chloride),
catalyzed a solvent free Hantzsch reaction at room temperature with enhanced reaction …

Acetolysis of 1, 6-anhydro-β-hexopyranoses and solvent-free per-acetylation of hexoses
with acetic anhydride at room temperature in excellent yields employing 0.5 mol% scandium …

A highly selective and efficient method for the unmasking of p-methoxybenzyl (PMB) ethers
and esters has been developed by use of 20 mol% of zirconium (IV) chloride as Lewis acid …

(π-Allyl) palladium triflate bearing a 1, 2-bis (4-methoxyphenyl)-3, 4-bis (2, 4, 6-tri-tert-
butylphenylphosphinidene) cyclobutene ligand (DPCB-OMe),[Pd (η3-C3H5)(DPCB-OMe)] …

Tryprostatin B was synthesized in 32% overall yield from the readily available dipeptide
anhydride cyclo-(l-Trp-l-Pro). Its tandem C-3 prenylation/cyclization gave the corresponding …

The Pd-catalyzed Heck-type coupling (Matsuda–Heck reaction) of electron rich arene
diazonium salts with electron deficient olefins has been exploited for the synthesis of …

Abstract Pd (0)-catalyzed deprotection of allyl ethers using barbituric acid derivatives in
protic polar solvent such as MeOH and aqueous 1, 4-dioxane proceeds at room temperature …