Results 201 to 209 of about 4,396,712 (209)

Total synthesis of a protected form of sphingofungin E using the [3,3]-sigmatropic rearrangement of an allylic thiocyanate as the key reaction.

Carbohydrate Research, 2010
M. Martinková, J. Gonda, J. Raschmanová, Michaela Slaninková, J. Kuchár   +4 more
semanticscholar   +1 more source

Macrocycle synthesis by repeatable 2,3-sigmatropic shifts. Ring-growing reactions

Journal of the American Chemical Society, 1975
J. P. Hagen, E. Vedejs
openaire   +2 more sources

Sequential valence tautomerism, 1,3-sigmatropic (C→N) alkyl shift and cycloreversion to pyrrole and ketenimine in the reaction of some 1,2-dihydropyrazines with dimethyl acetylene-dicarboxylate

, 1973
J. William Lown, M. H. Akhtar
openalex   +1 more source

ChemInform Abstract: SEQUENTIAL VALENCE TAUTOMERISM, 1,3‐SIGMATROPIC (C‐N) ALKYL SHIFT AND CYCLOREVERSION TO PYRROLE AND KETENIMINE IN THE REACTION OF SOME 1,2‐DIHYDROPYRAZINES WITH DIMETHYL ACETYLENEDICARBOXYLATE

, 1973
J. William Lown, M. H. Akhtar
openalex   +1 more source

RECENT DEVELOPMENTS IN AROMATIC SIGMATROPIC REARRANGEMENTS AND RELATED REACTIONS

1971
H. Schmid, J. Zsindely, H.-J. Hansen
openaire   +1 more source

ChemInform Abstract: KINETICS OF REACTIONS IN SOLUTIONS UNDER PRESSURE. 52. EFFECT OF PRESSURE ON CONCERTED AND STEPWISE SIGMATROPIC SHIFTS

, 1978
W. J. Le Noble, Mario Daka
openalex   +1 more source

Complete regio- and stereospecificity in the Lewis acid catalyzed Diels-Alder reactions of (Z)-2-methoxy-1-(phenylthio)-1,3-butadienes. Conversion of the CS configuration of an adduct to the CC configuration at the allylic position by a [2,3] sigmatropic rearrangement

, 1982
Theodore Cohen, Zenyk Kosarych
openalex   +1 more source

1.6. Pericyclic Reactions: 1.6.3 Sigmatropic Rearrangements and Electrocyclic Reactions (XXI)

1995
openaire   +1 more source

Configuration interaction and organic reactivity. III. Sigmatropic reactions and ionic rearrangements

Journal of the American Chemical Society, 1973
openaire   +2 more sources