✦ LIBER ✦

Cycloaddition reactions of 1,4-benzoquinone mono- and bisimides with styrenyl systems: New syntheses of nitrogen substituted azapterocarpans, pterocarpans, 2-aryl-2,3-dihydroindoles and -dihydrobenzofurans

✍ Scribed by Thomas A. Engler; Kenneth O. Lynch Jr.; Wenying Chai; Steven P. Meduna

Publisher: Elsevier Science
Year: 1995
Tongue: French
Weight: 258 KB
Volume: 36
Category: Article
ISSN: 0040-4039
DOI: 10.1016/0040-4039(95)00375-m

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: Lewis Acid Controll

ChemInform Abstract: Lewis Acid Controlled Regioselectivity in Reactions of Styrenyl Systems with Benzoquinone Monoimides: New Regioselective Syntheses of Substituted 2-Aryl-2,3-dihydrobenzofurans, 2-Aryl-2,3-dihydroindoles, and 2-Arylindoles.

✍ T. A. ENGLER; W. CHAI; K. O. LATESSA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 36 KB 👁 2 views

Switchable regioselectivity in lewis aci

Switchable regioselectivity in lewis acid-promoted reactions of 1,4-benzoquinone monoimides with styrenyl systems: Selective syntheses of either 2-aryl-2,3-dihydrobenzofurans or 2-aryl-2,3-dihydroindoles

✍ Thomas A. Engler; Wenying Chai; Kenneth O. Lynch Jr. 📂 Article 📅 1995 🏛 Elsevier Science 🌐 French ⚖ 228 KB

ChemInform Abstract: Lewis Acid Promoted

ChemInform Abstract: Lewis Acid Promoted Reactions of Styrenyl Systems with Benzoquinone Bisimines: New Regioselective Syntheses of Substituted 2-Aryl-2,3- dihydroindoles and 2-Arylindoles.

✍ T. A. ENGLER; S. P. MEDUNA; K. O. LATESSA; W. CHAI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB 👁 2 views

ChemInform Abstract: Asymmetric Reaction

ChemInform Abstract: Asymmetric Reactions of 2-Methoxy-1,4-benzoquinones with Styrenyl Systems: Enantioselective Syntheses of 8-Aryl-3-methoxybicyclo[4.2.0]oct-3-en-2,5-diones, 7-Aryl-3-hydroxybicyclo[3.2.1]oct-3-en-2,8-diones, 2-Aryl-6-methoxy-2,3-dihydrobenzofuran-5-ols, and Pterocarpans.

✍ Thomas A. Engler; Michael A. Letavic; Rajesh Iyengar; Kenneth O. LaTessa; Jayach 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 44 KB 👁 1 views

The chiral titanium complex, derived from TiCl 4 , Ti(O-iPr) 4 , and dioxole (+)-PPD, effectively promotes the enantioselective formation of compounds (III)/(VII) and (V)/(IX) in good yields and high e.e. from (E)-alkene (II) and benzoquinones (I) or (VI). Compounds (IV)/(VIII), which are also forme

A New Tricyclic Ring and a Nitrogen—Sulf

A New Tricyclic Ring and a Nitrogen—Sulfur Analogue of the Tri-pentagon Bowl: Cycloaddition Reactions of the Unstabilized 1,3,4-Thiadiazolium-3-methanide 1,3-Dipole: Steric Influences on the endo-Effect: Substituted Pyrrolo[2,1-b]-1,3,4-thiadiazole Systems: Azolium 1,3-Dipoles.

✍ Richard N. Butler; Georgina M. Smyth; Patrick McArdle; Desmond Cunningham 📂 Article 📅 2003 🏛 John Wiley and Sons ⚖ 248 KB 👁 2 views