与 «BENZENE NUCLEUS»相关的英语书籍
在以下的参考文献中发现
benzene nucleus的用法。与
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1
A Textbook Of Organic Chemistry, 3E
11.4 BENZENE NUCLEUS AND SIDE CHAIN The six carbon atoms of the
benzene ring constitute what is known as benzene nucleus. The characteristic
properties of aromatic compounds are, truly speaking, the properties of this
nucleus.
Asha Viswas, Ks Tewari, 2009
The electronic density in the benzene nucleus is generally effected by one or the
other of the following effects. (i) Inductive (I). (ij) Electromeric (E). (Hi) Mesomeric (
M). (iv) Hyperconjugation. Now if the group (already present) pushes the ...
3
Competition Science Vision
HgO C6H6 + HgCI2 ^— > C6H5HgCI + HCI The process of introducing a
mercuric acid group in benzene nucleus is called mercuration and is employed : (
i) In preparation of some important medicines (ii) As intermediate in organic
reactions ...
4
Electronics Engineering
All the six hydrogen atoms of benzene nucleus are identical; hence if one group (
say X) is introduced into the benzene nucleus, only one product is obtained. On
the other hand, if a second substituent (say Y) is introduced in a monosubstituted
...
5
ADVANCES IN APPLIED MICROBIOLOGY
Generally, organisms utilizing benzene as a sole carbon source completely
degrade the benzene nucleus and, as a result, products accumulate only as
transient intermediates at low levels. Recently, Gibson et al. (95) demonstrated
that under ...
6
Pharmaceutical Organic Chemistry -
Benzene nucleus andside chain: The benzene molecule represented bya regular
hexagon madeof six carbons (each carryingone hydrogen atom)linked by
alternate single and double bonds or solid circle is called benzene nucleus.
Analkyl ...
S.K. Bhasin, Reena Gupta, 2013
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Chemistry for Textile Students
Halogen derivatives. Chlorine and bromine act upon benzene forming
substitution products, but with toluene and higher compounds the conditions of
the action regulate the entrance of the halogen into the benzene nucleus or into
the side ...
8
The biology of pseudomonas
With rare exceptions (Crawford et al., 1979; Kiyohara and Nagao, 1977) the
introduction of two hydroxyl groups into the benzene nucleus is a prerequisite for
aerobic ring opening (Dagley, 1978a, 1985). Indeed, in the case of the soil yeast
...
Presence of — OCH3group in benzene nucleus strongly activates the o- and p-
positions but weakly deactivates the m-position. On the other hand -CH$ group in
benzene nucleus activates all the positions but mainly o- and p- positions.
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Image and Reality: Kekulé, Kopp, and the Scientific Imagination
Although other models for the benzene nucleus were soon proposed, particularly
Ladenburg's “prism” formula,56 none attained the prestige and general
acceptance of Kekulé's idea, and the determination of absolute positional
isomers was ...
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Letter: Cannabis as a treatment option
They bear a chemical relation to the teta-benzene nucleus with hydro carbon chain that is THC. However, it is a huge leap to infer CNS activity ... «Ottawa Citizen, 七月 14»
