✦ LIBER ✦

Steric course, kinetics and mechanism of the 2+2 cycloadditions of alkylphenylketenes to ethyl cis- and trans-propenyl ether

✍ Scribed by Rolf Huisgen; Herbert Mayr

Publisher: Elsevier Science
Year: 1975
Tongue: French
Weight: 207 KB
Volume: 16
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)75046-5

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Steric course and regioselectivity in th

Steric course and regioselectivity in the cycloadditions of diazoacetic ester to trans- and cis-cinnamic ester

✍ Peter Eberhard; Rolf Huisgen 📂 Article 📅 1971 🏛 Elsevier Science 🌐 French ⚖ 264 KB

ChemInform Abstract: Stereochemistry of

ChemInform Abstract: Stereochemistry of the [4 + 2] Cycloadditions of trans,trans- and cis,trans-2,4-Hexadiene to C60.

✍ Nikos Chronakis; George Froudakis; Michael Orfanopoulos 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 27 KB 👁 2 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

1,3-cycloadditions of aliphatic thione S

1,3-cycloadditions of aliphatic thione S-methylides to dimethyl 2,3-dicyanofumarate and 2,3-dicyanomaleate; a test case for steric course and mechanism

✍ Grzegorz Mloston; Elke Langhals; Rolf Huisgen 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 295 KB

The 1,3-cycloadditions of thione S-methylides 2 and 9 to dimethyl 2,3\_dicyanofumarate and 2,3\_dicyanomaleate are nonstere5speciFi.c. A preceding cis,trans isomerization of the unsaturated dipolarophiles catalyzed by the thiadiazolines (precursors of the thione S-methylides) had to be suppressed in

Stereochemical course of [2+2]cycloaddit

Stereochemical course of [2+2]cycloaddition of chlorosulfonyl isocyanate to cis and trans3-O-but-1′-enyl-1,2-O-isopropylidene-α-D-xylofuranose

✍ Bartlomiej Furman; Zbigniew Kaluża; Marek Chmielewski 📂 Article 📅 1996 🏛 Elsevier Science 🌐 French ⚖ 342 KB

Kinetics and mechanism of the addition o

Kinetics and mechanism of the addition of trichloromethyl radicals to chloroethylenes. The addition to CIS-C2Cl2H2, trans-C2Cl2H2, and C2Cl3H

✍ A. Horowitz; G. Baruch 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 899 KB

The addition reactions of CC13 radicals with cis-CzClzHz, trans-CzClzHz, and CzC13H in liquid cyclohexane-CC14 mixtures were studied between 323 and 448 K. The Arrhenius parameters of these reactions were competitively determined versus H-atom transfer from cyclohexane and addition to C2C14. The pre

CNDO/2 study of the mechanism and kineti

CNDO/2 study of the mechanism and kinetics of the CIS-trans isomerization of N2F2(g) using the activated-complex theory

✍ Z. Slanina 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 433 KB

Complete optimization of the molecular geometry of NzF2 confirmed the two previously assumed activated complexes (AC's) for the title reaction. The contributions of both AC's were precisely weighed up in terms of the activated-complex theory. The possibdity of an autocatalysed chain mechanism is dis