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Unsymmetrical dimethylhydrazine (abbreviated as UDMH; also
known as 1,1-dimethylhydrazine,
heptyl or Geptil) is a
chemical compound with the
formula H2NN(CH3)2...
-
elemental sulfur.
Disulfides are
usually symmetric but they can also be
unsymmetric.
Symmetrical disulfides are
compounds of the
formula RSSR. Most disulfides...
- po****r
target of
efforts toward its
total synthesis. By
virtue of the
unsymmetrically substituted benzopentathiepin ring system,
varacin and a few related...
- In
applied mechanics,
bending (also
known as flexure)
characterizes the
behavior of a
slender structural element subjected to an
external load applied...
- ether,
whereas if they are different, the
ethers are
called mixed or
unsymmetrical ethers. A
typical example of the
first group is the
solvent and anaesthetic...
-
Raney nickel:
Submitted by W. H. F. S****e1 2C5H5N → (C5H4N)2 + H2
Unsymmetrically substituted 2,2'-bipyridines can be
prepared by
cross coupling reaction...
- is
enhanced with
bulkier R
groups in the
auxiliary oxazoline group.
Unsymmetrical Ullmann reactions are
rarely pursued but have been
achieved when one...
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According to X-ray crystallography, the
acetate ligands are
bound very
unsymmetrically such that
three Bi-O
bonds are
approximately 2.3 Å in length, and three...
- 1,1,2-Trichloro-1,2,2-trifluoroethane, also
called trichlorotrifluoroethane (often
abbreviated as TCTFE) or CFC-113, is a chlorofluorocarbon. It has the...
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symmetrical isomers of DBT
which can be made, or ten
isomers in
total if
unsymmetrical substitution is used. Of
these only the n-butyl
analogue DBT is known...
