✦ LIBER ✦

Enantioselective Synthesis of Spiro Ethers and Spiro Ketals via Photoaddition of Dihydro-4-pyrones to Chiral 1,3-Dioxin-4-ones †

✍ Scribed by Haddad, Nizar; Rukhman, Igor; Abramovich, Zehavit

Book ID: 127105134
Publisher: American Chemical Society
Year: 1997
Tongue: English
Weight: 354 KB
Volume: 62
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo970816r

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: Enantioselective Sy

ChemInform Abstract: Enantioselective Synthesis of Spiro Ethers and Spiro Ketals via Photoaddition of Dihydro-4-pyrones to Chiral 1,3-Dioxin-4-ones.

✍ N. HADDAD; I. RUKHMAN; Z. ABRAMOVICH 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 1 views

Stereoselective synthesis of spiroethers

Stereoselective synthesis of spiroethers and spiroketals via photoaddition of dihydro-4-pyrones to 1,3-dioxin-4-ones

✍ Nizar Haddad; Zehavit Abramovich; Igor Ruhman 📂 Article 📅 1996 🏛 Elsevier Science 🌐 French ⚖ 242 KB

ChemInform Abstract: Stereoselective Syn

ChemInform Abstract: Stereoselective Synthesis of Spiroethers and Spiroketals via Photoaddition of Dihydro-4-pyrones to 1,3-Dioxin-4-ones.

✍ N. HADDAD; Z. ABRAMOVICH; I. RUHMAN 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB

New 2-Functionalized 2H-3,4-Dihydro-1,4-

New 2-Functionalized 2H-3,4-Dihydro-1,4-benzothiazin-3-ones and Their Application in the Synthesis of Spiro Heterocycles.

✍ K. G. Nazarenko; N. A. Shtil; M. O. Lozinskii; A. A. Tolmachev 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 44 KB 👁 1 views

One Pot Diastereoselective Synthesis of

One Pot Diastereoselective Synthesis of New Chiral Spiro-1,3,4-thiadiazoles and 1,4,2-Oxathiazoles from (1R)-Thiocamphor.

✍ Amal Feddouli; Moulay Youssef Ait Itto; Aissa Hasnaoui; Didier Villemin; Paul-Al 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 20 KB 👁 1 views

One pot diastereoselective synthesis of

One pot diastereoselective synthesis of new chiral spiro-1,3,4-thiadiazoles and 1,4,2-oxathiazoles from (1R)-thiocamphor

✍ Amal Feddouli; Moulay Youssef Ait Itto; Aïssa Hasnaoui; Didier Villemin; Paul-Al 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 200 KB

## Abstract Herein we report an efficient one pot synthesis of new chiral 4,5‐dihydro‐4‐arylspiro[1,3,4‐thiadiazole]‐5,2′‐camphane‐2‐carboxylic acid ethyl esters **5–7** and 4,5‐dihydro‐3‐arylspiro[1,4,2‐oxathiazole]‐5,2′‐camphane **11–13**, using 1,3‐dipolar cycloaddition of nitrilimines 2–4 and n