Hafnium Trifluoromethanesulfonate [Hf(OTf)4] as a Unique Lewis Acid in Organic Synthesis

Erbium trifluoromethanesulfonate catalyzed Friedel–Crafts acylation using aromatic carboxylic acids as acylating agents under monomode-microwave irradiation

(2015) Phuong Hoang Tran et al.   TETRAHEDRON LETTERS

Phosphoric Acid Catalyzed Desymmetrization of Bicyclic Bislactones Bearing an All-Carbon Stereogenic Center: Total Syntheses of (−)-Rhazinilam and (−)-Leucomidine B

(2014) Jean-Baptiste Gualtierotti et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Methyl Transfer from Dimethylcarbonate to Carboxylic Acids

(2013) Yuan Ji et al.   JOURNAL OF ORGANIC CHEMISTRY

Hafnium(IV) Tetratriflate as a Glycosyl Fluoride Activation Reagent

(2013) Shino Manabe et al.   JOURNAL OF ORGANIC CHEMISTRY

Rapid Ether and Alcohol C–O Bond Hydrogenolysis Catalyzed by Tandem High-Valent Metal Triflate + Supported Pd Catalysts

(2013) Zhi Li et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Low-Temperature Polymerization of ε-Caprolactone Catalyzed by Cerium Triflates

(2013) Steffen M. Weidner et al.   MACROMOLECULAR CHEMISTRY AND PHYSICS

Synthesis of the altertoxin III framework

(2013) Oliver Geiseler et al.   TETRAHEDRON

Hafnium(IV) tetratriflate in selective reductive carbohydrate benzylidene acetal opening reaction and direct silylation reaction

(2013) Shino Manabe et al.   TETRAHEDRON LETTERS

Strong Lewis Acids of Air-Stable Metallocene Bis(perfluorooctanesulfonate)s as High-Efficiency Catalysts for Carbonyl-Group Transformation Reactions

(2012) Renhua Qiu et al.   CHEMISTRY-A EUROPEAN JOURNAL

Poly(ϵ-caprolactone) by Combined Ring-Opening Polymerization and Polycondensation

(2012) Hans R. Kricheldorf et al.   MACROMOLECULAR CHEMISTRY AND PHYSICS

Concise total synthesis of (+)-gliocladins B and C

(2012) Nicolas Boyer et al.   Chemical Science

Hafnium Triflate as an Efficient Catalyst for Direct Friedel-Crafts Reactions of Chromene Hemiacetals

(2011) Yan-Chao Wu et al.   ADVANCED SYNTHESIS & CATALYSIS

Catalytic Enantioselective Formation of C−C Bonds by Addition to Imines and Hydrazones: A Ten-Year Update

(2011) Shu̅ Kobayashi et al.   CHEMICAL REVIEWS

Total Synthesis of Halichondrin C

(2011) Akihiko Yamamoto et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Hf(OTf)4-Catalyzed RegioselectiveN-Aminomethylation of Indoles and Related NH-Containing Heterocycles

(2010) Norio Sakai et al.   JOURNAL OF ORGANIC CHEMISTRY

Polymerization of Cyclosiloxanes by Means of Triflic Acid and Metal Triflates

(2010) Takao Yashiro et al.   MACROMOLECULAR CHEMISTRY AND PHYSICS

Convenient preparation of 4-arylmethyl- and 4-hetarylmethyl thiazoles by regioselective cycloaddition reactions of 3-sulfanyl- and selanylpropargyl alcohols

(2010) Mitsuhiro Yoshimatsu et al.   TETRAHEDRON

Green, catalyst-free thioacetalization of carbonyl compounds using glycerol as recyclable solvent

(2010) Gelson Perin et al.   TETRAHEDRON LETTERS

Catalytic asymmetric direct Mannich reaction: a powerful tool for the synthesis of α,β-diamino acids

(2009) Ramón Gómez Arrayás et al.   CHEMICAL SOCIETY REVIEWS

Hf(OTf)4-Catalyzed 1,4-Addition Reactions of Indole to Enone in the Presence of Meso and Chiral Pyridinediamine Ligands

(2009) Jun'ichi Uenishi et al.   HETEROCYCLES

Synthetic Studies on (−)-Lemonomycin: An Efficient Asymmetric Synthesis of Lemonomycinone Amide

(2009) Yan-Chao Wu et al.   JOURNAL OF ORGANIC CHEMISTRY

Formal [4 + 2] Cycloaddition of Donor−Acceptor Cyclobutanes and Aldehydes: Stereoselective Access to Substituted Tetrahydropyrans

(2009) Andrew T. Parsons et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Effect of metal triflates on direct polycondensation of lactic acid

(2009) Sachiyo Konishi et al.   POLYMER BULLETIN

Practical Synthesis of Natural Amino Acid Derivatives: Hf(OTf)4-Catalyzed Mannich-Type Reaction of Ketene Silyl Acetals or Enol Silyl Ethers with N,O-Acetals as a Glycine Cation Equivalent

(2009) Norio Sakai et al.   SYNLETT

Versatile method for the synthesis of 4-substituted 6-methyl-3-oxabicyclo[3.3.1]non-6-ene-1-methanol derivatives: Prins-type cyclization reaction catalyzed by hafnium triflate

(2009) Masayuki Nakamura et al.   TETRAHEDRON LETTERS

Hafnium Trifluoromethanesulfonate (Hafnium Triflate) as a Highly Efficient Catalyst for Chemoselective Thioacetalization and Transthioacetalization of Carbonyl Compounds

(2008) Yan-Chao Wu et al.   JOURNAL OF ORGANIC CHEMISTRY

Asymmetric Total Synthesis of (−)-Quinocarcin

(2008) Yan-Chao Wu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Aliphatic Polyesters by Bismuth Triflate-Catalyzed Polycondensations of Dicarboxylic Acids and Aliphatic Diols

(2008) Pavel Buzin et al.   MACROMOLECULES

A practical approach to non-natural or N-unsubstituted α-arylglycine derivatives: Hf(OTf)4-doped Me3SiCl system-catalyzed aminomethylation of electron-rich arenes with a new type of N,O-acetal

(2008) Norio Sakai et al.   TETRAHEDRON