1,3-Dipolar cycloaddition reaction of a d-galactose derived nitrone with allyl alcohol: synthesis of polyhydroxylated perhydroazaazulene alkaloids

Regio- and stereoselective synthesis of

Regio- and stereoselective synthesis of isoxazolidine derivatives by asymmetric 1,3-dipolar cycloaddition reaction of chiral nitrones with 1-propene-1,3-sultone

✍ Hong-Kui Zhang; Wing-Hong Chan; Albert W. M. Leeb; Wai-Yeung Wong 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 445 KB 👁 1 views

## Abstract magnified image Asymmetric 1,3‐dipolar cycloadditions of chiral nitrones to 1‐propene‐1,3‐sultone (**1**) were investigated. Chiral nitrones **6a‐e** reacted with sultone **1** in toluene at 90 °C for 24‐36 h to give the corresponding isoxazolidines in moderate yields with high regiose

ChemInform Abstract: Regio- and Stereose

ChemInform Abstract: Regio- and Stereoselective Synthesis of Isoxazolidine Derivatives by Asymmetric 1,3-Dipolar Cycloaddition Reaction of Chiral Nitrones with 1-Propene-1,3-sultone.

✍ Hong-Kui Zhang; Wing-Hong Chan; Albert W. M. Lee; Wai-Yeung Wong 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 24 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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

[1,3]-Dipolar intramolecular nitrone ole

[1,3]-Dipolar intramolecular nitrone olefin cycloaddition reaction of a sugar-derived α,β-unsaturated ester: a new diastereo- and regioselective synthesis of an aminocyclopentitol

✍ Santosh M Jachak; Navnath P Karche; Dilip D Dhavale 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 92 KB

The reaction of hemiacetal 2a, from the sugar derived a,b-unsaturated ester 1a, with N-benzylhydroxylamine hydrochloride in situ generates an N-benzylnitrone as a 1,3-dipole, which spontaneously undergoes diastereo-and regioselective intramolecular nitrone olefin cycloaddition to afford a hydroxy fu

Asymmetric 1,3-Dipolar Cycloaddition of

Asymmetric 1,3-Dipolar Cycloaddition of Nitrones with an Electron-Withdrawing Group to Allylic Alcohols Utilizing Diisopropyl Tartrate as a Chiral Auxiliary.

✍ Xia Ding; Katsumi Taniguchi; Yoshihara Hamamoto; Kazunori Sada; Shuhei Fujinami; 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 29 KB 👁 2 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

Antibacterial Activity, Quantitative Str

Antibacterial Activity, Quantitative Structure–Activity Relationship and Diastereoselective Synthesis of Isoxazolidine Derivatives Via 1,3-Dipolar Cycloaddition of d-glucose Derived Nitrone with Olefin

✍ Munusamy Damodiran; Ponnurengan Malliappan Sivakumar; Rathnasabapathy SenthilKum 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 557 KB

Synthesis of 2-aza-3-oxatetracyclo [7. 3

Synthesis of 2-aza-3-oxatetracyclo [7. 3. 1. 17,11. 02,6]tetradecane derivatives by the 1,3-dipolar cycloaddition reaction of homoadamantane-incorporated nitrones with alkenes

✍ Yang Yu; Masatomi Ohno; Shoji Eguchi; Takashi Kawai; Yukimasa Terada 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 440 KB

The 1,3-dipolar cycloaddition reaction of homoadamantane-incorporated nitrones, 4-azahomoadamant-4-ene N-oxide (1) and 5-methyl-4-azahomoadamant-4-ene N-oxide (2), with various alkenes afforded 2-aza-3-oxatetracyclo[7.3.1.1711.0z6]tetradecane derivatives as the 1:1 cycloadduct. The reaction showed r