“The first mention of acylation related to the later Al2Cl6 method of Friedel and Crafts
appeared in 1873 in a preliminary communication by Grucarevic and Merz....” 1 With these …

1. INTRODUCTION “The first mention of acylation related to the later Al2Cl6 method of
Friedel and Crafts appeared in 1873 in a preliminary communication by Grucarevic and …

Used in the production of a wide number of fine chemicals and pharmaceuticals, the Friedel-
Crafts acylation reaction represents a synthetic process of great interest to organic chemists …

Cannabis is one of the most abused illicit drugs worldwide while also finding more
acceptance for medical and recreational use. Presumptive testing of suspected drug …

Disulfide bond formation is a critical post-translational modification of newly synthesized
polypeptides in the oxidizing environment of the endoplasmic reticulum and is mediated by …

Hafnium trifluoromethanesulfonate (hafnium triflate, Hf (OTf) 4) was found to be an efficient
catalyst in the Fries rearrangement of acyloxy benzene or naphthalene derivatives. The …

The use of titanium (IV) chloride as a Lewis acid for direct ortho-acylation of phenols and
naphthols proves to be a convenient, more general and direct route to various hydroxyaryl …

Photochemical reactions between 1, 4-benzo-and 1, 4-naphthoquinone and several
heteroaromatic carbaldehydes were investigated under solar irradiation conditions. These …

Two useful approaches to ortho‐acylhydroxy [2.2] paracyclophanes, starting from 4‐hydroxy
[2.2] paracyclophane, have been developed. TiCl4‐catalyzed Fries rearrangement and …

Cross-coupling reaction of bis (pinacolato) diboron with β-(trifluoromethanesulfonyloxy)-α, β-
unsaturated carbonyl compounds was carried out in the presence of PdCl2 (PPh3) 2–2PPh3 …