✦ LIBER ✦

Sc(OTf)3-catalyzed synthesis of pyrano[3,2-b]-1-benzopyrans from d-glycals

✍ Scribed by J.S Yadav; B.V.S Reddy; L Chandraiah; B Jagannadh; S.Kiran Kumar; Ajit C Kunwar

Publisher: Elsevier Science
Year: 2002
Tongue: French
Weight: 209 KB
Volume: 43
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(02)00816-x

No coin nor oath required. For personal study only.

✦ Synopsis

Glycals react smoothly with o-hydroxybenzaldehydes and trimethyl orthoformate in the presence of a catalytic amount of scandium triflate under mild reaction conditions to afford the corresponding cis-annelated pyranobenzopyrans in good yields with high diastereoselectivity.

📜 SIMILAR VOLUMES

Sc(OTf)3-Catalyzed Synthesis of Pyrano[3

Sc(OTf)3-Catalyzed Synthesis of Pyrano[3,2-b]-1-benzopyrans from D-Glycals.

✍ J. S. Yadav; B. V. S. Reddy; L. Chandraiah; B. Jagannadh; S. Kiran Kumar; Ajit C 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 1 views

Sc(OTf)3-catalyzed diastereoselective sy

Sc(OTf)3-catalyzed diastereoselective synthesis of 3,4-dihydro-4-amino-2H-1-benzopyrans

✍ J.S Yadav; B.V.Subba Reddy; K.Chandra Sekhar; V Geetha 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 73 KB

ChemInform Abstract: Sc(OTf)3-Catalyzed

ChemInform Abstract: Sc(OTf)3-Catalyzed Diastereoselective Synthesis of 3,4-Dihydro-4-amino-2H-1-benzopyrans.

✍ J. S. Yadav; B. V. Subba Reddy; K. Chandra Sekhar; V. Geetha 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 35 KB 👁 1 views

Chiral 2-C-Methylene Glycosides and Carb

Chiral 2-C-Methylene Glycosides and Carbohydrate-Derived Pyrano[2,3-b][1]benzopyrans: Synthesis via InCl3-Catalyzed Stereoselective Ferrier Rearrangement of 2-C-Acetoxymethyl Glycal Derivatives.

✍ Rina Ghosh; Arijit Chakraborty; Dilip K. Maiti; Vedavati G. Puranik 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 23 KB 👁 1 views

ChemInform Abstract: Synthesis and Biolo

ChemInform Abstract: Synthesis and Biological Significance of Pyrano Pyrazoles from 8,9-Dimethyl-3-acetoacetyl Pyrano[3,2-c][1]benzopyran-2,5-dione (III).

✍ Zeba N. Siddiqui; Mohammad Asad 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 21 KB

## Abstract Compounds (III) and (Vb) show moderate antibacterial activities against E.coli and S.dysenteriae.

ChemInform Abstract: Sc(OTf)3-Catalyzed

ChemInform Abstract: Sc(OTf)3-Catalyzed C-Glycosidation of Glycals: A Facile Synthesis of Allyl Glycosides, Glycosyl Cyanides and Glycosyl Azides.

✍ J. S. Yadav; B. V. Subba Reddy; Pratap K. Chand 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views