- In chemistry,
cryptands are a
family of synthetic,
bicyclic and polycyclic,
multidentate ligands for a
variety of cations. The
Nobel Prize for Chemistry...
- 2.2]
Cryptand is the
organic compound with the
formula N(CH2CH2OCH2CH2OCH2CH2)3N. This
bicyclic molecule is the most
studied member of the
cryptand family...
-
bonds including the carbon–oxygen
bonds in a
typical cryptand. The
introduction of a
special cryptand ligand containing amines instead of
ether linkages...
- ion-exchange column, and
eluted with an
acetonitrile solution of 2,2,2-
cryptand and pot****ium carbonate.
Evaporation of the
eluate gives [(crypt-222)K]+ [18F]F−...
- with
polyether ligands, such as
crown ethers and [2.2.2]
cryptand.
Crown ethers and
cryptands are
typically known for
their ability to bind
metal cations...
-
missing List of
cryptids Cryptid Hunters, a 2004
novel by
Roland Smith Cryptand, a
family of
synthetic bi- and
polycyclic multidentate ligands for a variety...
-
together with
Donald Cram and
Charles Pedersen in 1987 for his
synthesis of
cryptands. Lehn was an
early innovator in the
field of
supramolecular chemistry...
- Li+, 15-crown-5 for Na+, 18-crown-6 for K+, and 21-crown-7 for Rb+) and
cryptands due to
electrostatic attraction. The
alkali metals dissolve slowly in...
-
electrons as anions;
cryptands permit the
isolation of
these complexes as
crystalline solids.
Sodium forms complexes with
crown ethers,
cryptands and
other ligands...
-
formal +2
oxidation state of
plutonium is
known in the
complex [K(2.2.2-
cryptand)] [PuIICp″3], Cp″ = C5H3(SiMe3)2. A +8
oxidation state is
possible as well...