- an
electrocyclic reaction can
either be
classified as
conrotatory or
disrotatory based on the
rotation at each end of the molecule. In
conrotatory mode...
- pi electrons, the
reaction can
happen through either a
conrotatory or
disrotatory mechanism. The type of
rotation determines whether the cis or
trans isomer...
-
conrotatory and
disrotatory describe the
relative sense of bond
rotation involved in
electrocyclic ring-opening and -closing reactions. In a
disrotatory process...
- Acetylenedicarboxylate.
Experimental and Com****tional
Evidence of a
Thermal Disrotatory Ring
Opening of
Fused Cyclobutenes". J. Org. Chem. 71 (14): 5328–5339...
-
rotation will be
disrotatory if the
small molecule approaches linearly and
conrotatory if the
molecule approaches non-linearly.
Disrotatory and conrotatory...
- pure, as the products'
stereochemistry will
match the reactants'. The
disrotatory ring
closing reaction of
conjugated trienes is
stereospecific in that...
- Acetylenedicarboxylate.
Experimental and Com****tional
Evidence of a
Thermal Disrotatory Ring
Opening of
Fused Cyclobutenes". J. Org. Chem. 71 (14): 5328–5339...
- [2+4]
Chelotropic cycloaddition of
stannylene to 2,7-diphenylocta-2,3,5,6-tetraene in
disrotatory fashion...
-
minutes at room
temperature to 3a,7a-dihydro-1H-indene via a
thermal 6π
disrotatory electrocyclic ring closing. Upon
exposure to
ultraviolet light, it undergoes...
-
polyene precursor 8, that goes
through spontaneous 8π conrotatory, 6π
disrotatory, and [4+2]
cyclization reactions to form
endiandric acid C. This proposal...