The catalytic nucleophilic substitution of tertiary alcohols using carbon or heteroatom based
nucleophiles is a versatile methodology for the efficient, diverse and atom economical …

Lewis acids are important and interesting catalysts in most organic transformations. Among
different Lewis acids, Zr (IV) species such as ZrCl 4 and ZrOCl 2· 8H 2 O are allocated …

A new concise construction of trans-clerodane diterpenoids is reported in which oxacyclic
and trans-hydronaphthalene fragments are coupled, and the critical C9-quaternary carbon …

ZrOCl2· 8H2O/silica gel as a highly water–tolerant catalyst system has been applied for the
preparation of bis (indolyl) methanes via electrophilic substitution reactions of indoles with …

It is reported that Ga (OTf) 3 catalyzes the direct displacement of alcohols with sulfur
nucleophiles. The products are versatile intermediates that can be utilized in carbon …

The wide-spreading chemistry of sulfides has been attractive to organic synthetic
researchers. The synthesis of sulfides (compounds containing carbon-sulfur bond) is one of …

We describe here the facile construction of sterically hindered tertiary alkyl ethers and
thioethers via the Zn (OTf) 2-catalyzed coupling of alcohols/phenols with unactivated tertiary …

Sulfanyl‐oxetanes are presented as promising novel bioisosteric replacements for thioesters
or benzyl sulfides. From oxetan‐3‐ols, a mild and inexpensive Li catalyst enables …

A simple, efficient, and transition metal-free approach was developed for accessing 4-thio-
substituted chroman and diarylmethyl thioethers from sulfonyl hydrazones. This protocol …

An efficient, mild and rapid procedure for the acylation and alkylation of aromatic and
aliphatic thiols mediated on a silica gel surface at room temperature is described. The …