Beceived inlISA 6 Jnly1970; received inI0Kfor~blicetiom 3 Septe&er IgO) Tbe 1,3-dipolar cycloadditioa reectioe has been the sobject of tiaz eabaustive ard elegant iaveatigationa of Eluiagen sad w-a~rkers.~ Tkse reactions shap all the cbarecteristics of coacerted reactions, iacluding stereospecificit
Kinetic Investigation of a (6 + 4) Cycloaddition
β Scribed by Hiroshi Tanida; H. R. Pfaendler
- Book ID
- 102250352
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- German
- Weight
- 176 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0018-019X
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β¦ Synopsis
Abstract
Kinetics of the [6+4] Cycloaddition of tropone to cyclopentaβ1, 3βdiene were investigated. It was concluded that the mechanism of this cycloaddition is similar to that of the classic DielsβAlder reaction.
π SIMILAR VOLUMES
the rate constants of the (4+2)-cycloaddltlon reaction between substjtuted E-arenediazocyanides and 2,3-dimethyl-1,3-butadlene have been determined in several solvents The reaction displays linear Hammett behavior, the data suggest a concerted reaction mechanism Since the initial use of azoesters by
An efficient method for constructing a 10-membered carbocycle with an oxygen bridge has been developed on the basis of a formal [6+4] cycloaddition reaction. Under the influence of EtAlCl 2 , a dicobalt hexacarbonyl acetylene complex possessing a benzoyloxy group and an allylsilane moiety reacted wi