Results 161 to 170 of about 2,936 (205)

Investigations in the cyclobutane series

Journal of Organometallic Chemistry, 1977
Abstract Acetylation of cyclobutadieneiron tricarbonyl gives the mono and the diacetyl derivative. Some reactions of the latter, including that with hydrazine to give a pyridazinocyclobutadiene complex, are described.
Ilie G. Dinulescu, Emil G. Georgescu, Margareta Avram   +2 more
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Carbon‐13 NMR spectra of methylated cyclobutanes and ethyl cyclobutane‐carboxylates

Organic Magnetic Resonance, 1980
AbstractThe 13C NMR spectra of cyclobutane and seven methylated homologs and of ethyl cyclobutanecarboxylate and five isomeric diethyl cyclobutanedicarboxylates are reported and substituent parameters for methyl groups in methylcyclobutanes are calculated. Of note is a sizeable and nearly configuration‐independent upfield shifting γ‐effect.
Ernest L. Eliel, K. Michal Pietrusiewicz
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Nonplanar cyclobutane—II

Tetrahedron, 1967
Abstract NMR spectra and basic equilibration of cis and trans methyl-3-isopropylcyclobutanecarboxylate are reported. Treatment of the nonplanar cyclobutane system by analogy with cyclohexane is potentially possible, but limited by (1) greater dependence of ring puckering on substituents; and (2) intervention of planar conformers.
I. Lillien, R.A. Doughty
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Bioactive cyclobutane-containing alkaloids

Journal of Natural Medicines, 2007
The present review describes research on novel natural cyclobutane-containing alkaloids and synthetic compounds isolated from terrestrial and marine species. More than 210 compounds have been confirmed to show antimicrobial, antibacterial, anticancer, and other activities.
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Cyclobutanes

2021
Jie Jack Li, Minmin Yang
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The Chemistry of Cyclobutanes

2005
1 Cyclobutane-physical properties and theoretical studies (Kenneth B. Wiberg). 2 Antiaromaticity and aromaticity in carbocyclic four-membered rings (M. Eckert-Maksic and Z. B. Maksic). 3 Stereochemical aspects-conformation and configuration (Ulf Berg). 4 Thermochemistry of cyclobutane and its derivatives (Joel F. Liebman and Suzanne W. Slayden).
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Aminoacids of the cyclobutane series

Russian Chemical Reviews, 1993
The literature data on the methods of synthesis, the reactivities, and biological activities of aminoacids of the cyclobutane series and their derivatives are described systematically and discussed. The bibliography includes 112 references.
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THE PREPARATION OF CYCLOBUTANE

The Journal of Organic Chemistry, 1949
J, CASON, R L, WAY
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Electrocatalytic Activation of Donor–Acceptor Cyclopropanes and Cyclobutanes: An Alternative C(sp3)−C(sp3) Cleavage Mode

Angewandte Chemie - International Edition, 2021
Simon Kolb, Felix Brandt, Christoph R Jacob   +2 more
exaly  

THE ANESTHETIC PROPERTIES OF CYCLOBUTANE

Anesthesiology, 1955
L D, VANDAM, R D, DRIPPS
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