amide

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  • noun

Words related to amide

any organic compound containing the group -CONH2

References in periodicals archive ?
Abramova PhD Thesis, Calculation and prediction of the thermochemical properties of organic amides, anilides and amidic acid, Al Farabi Kazakh National University, (2007).
The IR spectra for 7 showed band due to NH at 3132 [cm.sup.-1], C=O amidic at 1686 [cm.sup.-1], and C=S at 1291 [cm.sup.-1].
[sup.1]H NMR (400 MHz, [delta], ppm): 3.71 (PEG), 11 (amidic NH), 7.25 (HC=C of thymine), 1.75 (C[H.sub.3] C=C).
As SOM pools in BF can be assumed to be older than in the other treatments due to the lack of fresh SOM input, we conclude that increasing aromaticity and decreasing hetero-aliphatic (together with amidic for the region of methoxyl and N-alkyl groups) properties are indicators for aged and probably stabilised SOM under the given conditions.
2a shows FT-IR spectrum of PAAN with no absorption peaks at 1660 cm-1 for COCl functionality while there are absorption peaks at 3270 cm-1 and 1610 cm-1 corresponding to N-H stretching and amidic C=O groups, respectively.
Both experiments were set in a completely randomized design with samples repeated over time, in a 5 x 2 factorial scheme with four replicates, corresponding to four amidic N sources: Urea, Kimcoat [R], SuperN [R], urea coated with poultry litter (urea + litter), with 45, 43, 44 and 30% of N and one control without fertilizer application, and two moisture contents: 0.39 and 0.49 [cm.sup.3] [cm.sup.-3], corresponding to 80 and 100% of field capacity (FC), respectively.
All the polymers were easily soluble in polar amidic solvents such as NMP, dimethylformamide (DMF), and dimethylacetamide.
Moreover, the evoked anticonvulsant activity of the title compounds 6a-p in the scPTZ screen does not necessitate the presence of a primary amidic moiety in their structure.
The FTIR spectrum of copolymers shows stretching vibration peaks at 3432 [cm.sup.-1] and 1647 [cm.sup.-1] for amino and amidic carbonyl groups, respectively.
In 13C-NMR, appearance of amidic carbonyl at 165.23 ppm also confirmed the formation of the title compound.
Urea [CO(N[H.sub.2])], when added to the soil, suffers enzymatic hydrolysis, which transforms the N present in the amidic form into ammonium ion (N[H.sup.+.sub.4]).
The IR spectra revealed the two absorption bands at 3338 and 3193 [cm.sup.-1] which correspond to -NHN[H.sub.2] and a band at 1671 [cm.sup.-1] due to amidic carbonyl group.
The broad absorption band at 3350-3450 [cm.sup.-1] and the narrow absorption peak at 1650-1660 [cm.sup.-1], specific to amidic NH and C=0 group from the amide linkage, have disappeared entirely, indicating the completion of thermal imidization of the intermediate poly(amic acid) into final polyimide.
In the IR spectra of our target compounds (5a-5n), the band around 1580-1620 cm-1 could be attributed to C=N stretching vibrations and the intense absorption bands appearing around 1670 cm-1 could be assigned to amidic C=O stretching vibration of N-acyl substituted pyrazoles.
It can he observed that the broad absorption hand at 3350-3450 [cm.sup.-1], characteristic to amidic NH, and the narrow absorption peak at 1650-1660 [cm.sup.-1].