✦ LIBER ✦

On the cyclopropyl conjugation in benzo[a]spiro[2,5]octa-1,4-diene-3-one

✍ Scribed by P. Rys; P. Skrabal; H. Zollinger

Publisher: Elsevier Science
Year: 1971
Tongue: French
Weight: 89 KB
Volume: 12
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)87464-5

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Benzo[a]spiro[2, 5]octa-1, 4-dien-3-on u

Benzo[a]spiro[2, 5]octa-1, 4-dien-3-on und Derivate I. Synthese von Benzo[a]spiro[2, 5]octa-1, 4-dien-3-on und seiner 4-Arylazo-Derivate. 5. Mitteilung über reaktionsmechanistische Untersuchungen an Reaktivfarbstoffen

✍ P. Rys; R. Vogelsanger 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 German ⚖ 652 KB

Intramolecular photocycloaddition of ole

Intramolecular photocycloaddition of olefin-tethered benzo[a]spiro[2,5]octa-1,4-dien-3-one derivatives

✍ Xuqing Zhang; Arthur G. Schultz 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 77 KB

Photolysis of benzo[a]spiro [2,5]octa-1,4-dien-3-one derivative 8a afforded spiro-fused tetracycles 10 as a pair of diastereomers in 1.7:1 ratio. The photochemical process occurred by cycloaddition of the intermediate-sulfone stabilized biradical 9 to the tethered olefin. Photolysis of dienone 8b ga

ChemInform Abstract: Intramolecular Phot

ChemInform Abstract: Intramolecular Photocycloaddition of Olefin-Tethered Benzo[a]spiro[2,5]octa-1,4-dien-3-one Derivatives.

✍ Xuqing Zhang; Arthur G. Schultz 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 1 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

Acid-catalysed reactions of 3,5-dialkyl-

Acid-catalysed reactions of 3,5-dialkyl-spiro[2.5]Octa-2,5-dien-4-ones

✍ R.S. Ward; K.S. Thatcher 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 153 KB

The Conjugative Interaction between π-Or

The Conjugative Interaction between π-Orbitals and Cyclobutane-Orbitals in Spiro[3.4]octa-5,7-diene and Spiro[3.4]octene-5

✍ Peter Bischof; Rolf Gleiter; Armin De Meijere; Lüder-Ulrich Meyer 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 German ⚖ 700 KB

## Abstract The photoelectron spectra of spiro[3.4]octane (**1**), spiro[3.4]octene‐5 (**2**), spiro[3.4]‐octa‐5,7‐diene (**3**), spiro[4.4]nonene‐2 (**4**) and spiro[4.4]nona‐2,4‐diene (**5**) have been recorded. The first bands of these spectra are correlated with orbitals which are π‐orbitals, _

Synthesis and photochemistry of spiro[2.

Synthesis and photochemistry of spiro[2.5]octa-1,4-dien-3-ones. Reversible biradical formation and biradical-olefin cycloaddition

✍ Arthur G. Schultz; Arthur G. Taveras 📂 Article 📅 1996 🏛 Elsevier Science 🌐 French ⚖ 197 KB