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Macrocycles are
often described as
molecules and ions
containing a ring of
twelve or more atoms.
classical examples include the
crown ethers, calixarenes...
- view of heme, a
complex of a
protoporphyrin IX. A
macrocycle of 40
porphyrin molecules,
model A
macrocycle of 40
porphyrin molecules, STM
image A geoporphyrin...
- time up into
three types of cycles: microcycle, mesocycle, and
macrocycle. A
macrocycle refers to a
season of
training in its entirety. It is an annual...
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consisting of a dumbbell-shaped
molecule which is
threaded through a
macrocycle (see
graphical representation). The two
components of a
rotaxane are kinetically...
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regular use.[citation needed] The term
macrocycle is used for
compounds having a
rings of 8 or more atoms.
Macrocycles may be
fully carbocyclic (rings containing...
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hemoglobin and chlorophyll. In
these two molecules, in particular, the
pyrrole macrocycle ring
frames a
metal atom, that
forms a
coordination compound with the...
- of the
macrocycle ring
absorbs visible light. The
nature of the
central metal can also
influence the
absorption spectrum of the metal-
macrocycle complex...
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Cyclic peptides are
polypeptide chains which contain a
circular sequence of bonds. This can be
through a
connection between the
amino and
carboxyl ends...
-
interlocked molecular architecture consisting of two or more
interlocked macrocycles, i.e. a
molecule containing two or more
intertwined rings. The interlocked...
- iron atom is at the
centre of a
porphyrin macrocycle,
bound to four
nitrogen atoms of the
tetrapyrrole macrocycle. The very
stable dimethylglyoximate complex...
