ChemInform Abstract: Desymmetrization of meso-1,2-Diols via Chiral Lewis Acid-Mediated Ring-Cleavage of 1,3-Dioxolane Derivatives.

ChemInform Abstract: Enantioselective Ri

ChemInform Abstract: Enantioselective Ring Cleavage of Dioxane Acetals Mediated by a Chiral Lewis Acid: Application to Asymmetric Desymmetrization of meso-1,3-Diols.

✍ Toshiro Harada; Kousuke Sekiguchi; Tomohito Nakamura; Jun Suzuki; Akira Oku 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views

ChemInform Abstract: Desymmetrization of

ChemInform Abstract: Desymmetrization of meso-1,2-Diols via Chiral Oxazaborolidine-Mediated Ring-Cleavage of Acetal Derivatives with Silyl Ketene S,O-Acetal.

✍ M. KINUGASA; T. HARADA; A. OKU 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 41 KB

Desymmetrization of meso-1,2-Diols via Chiral Oxazaborolidine-Mediated Ring-Cleavage of Acetal Derivatives with Silyl Ketene S,O-Acetal. -The desymmetrization of a variety of meso-1,2-diols is readily achieved by chiral oxazaborolidine-mediated enantioselective ring cleavage of acetals of type syn-

ChemInform Abstract: Chiral Oxazaborolid

ChemInform Abstract: Chiral Oxazaborolidinone-Mediated Enantioselective Ring-Cleavage Reaction of a Mixture of Diastereomeric 1,3-Dioxolane Acetals: Application to Asymmetric Desymmetrization of meso-1,2-Diols.

✍ Toshiro Harada; Hideki Yamanaka; Akira Oku 📂 Article 📅 2001 🏛 John Wiley and Sons ⚖ 32 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

ChemInform Abstract: Desymmetrization of

ChemInform Abstract: Desymmetrization of meso-1,3-Tetrols via Oxazaborolidine-Mediated Enantiotopic Group Selective Ring-Cleavage of Bisacetal Derivatives.

✍ T. HARADA; T. EGUSA; A. OKU 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB

ChemInform Abstract: 1,5-Benzodithiepan-

ChemInform Abstract: 1,5-Benzodithiepan-3-one 1,5-Dioxide: A Novel Chiral Auxiliary for Asymmetric Desymmetrization of meso-1,2-Diols.

✍ N. MAEZAKI; A. SAKAMOTO; M. SOEJIMA; I. SAKAMOTO; L. Y. XIA; T. TANAKA; H. OHISH 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

ChemInform Abstract: Deracemization of a

ChemInform Abstract: Deracemization of anti-1,2-Diols Leading to trans-Epoxides via Oxazaborolidine-Mediated Enantiomer-Differentiating Ring-Cleavage of Acetal Derivatives.

✍ Toshiro Harada; Tomohito Nakamura; Motoharu Kinugasa; Akira Oku 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB

Deracemization of anti-1,2-Diols Leading to trans-Epoxides via Oxazaborolidine-Mediated Enantiomer-Differentiating Ring-Cleavage of Acetal Derivatives. -An enantioconvergent transformation of racemic anti-1,2-diols (I) and (V) to enantiomerically enriched trans epoxides (IV) and (VII), resp., is rea