anisaldehyde


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anisaldehyde

[¦a·nəs′al·də‚hīd]
(organic chemistry)
C6H4(OCH3)CHO A compound with melting point 2.5°C, boiling point 249.5°C; insoluble in water, soluble in alcohol and ether; used in perfumery and flavoring, and as an intermediate in production of antihistamines.
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Other substances found in anise oil are anisaldehyde dianethole anisketone anisic acid p-methoxy acetophenone -himachalene and cis-anethole.
LiP alone is practically not able to oxidize 4-methoxymandelic acid, 4-MMA to anisaldehyde, but these oxidations take place with good efficiency in the presence of VA (Arora and Gill, 2001; Gassara et al.
Visualization of spots on TLC were under UV lamp, in iodine chamber and with anisaldehyde spray followed by heating in the oven.
Theoretical values of ultrasonic velocities in the mixtures: anisaldehyde + o-xylene, + m-xylene and + p-xylene at different mole fractions of anisaldehyde for different temperatures were calculated using the following theories and relations:
Anise oil has anothole (85 %) as active ingredient and also it has contained eugenol, methylchavicol, anisaldehyde and estragole.
The spots were visualized by heating with anisaldehyde at 105[degrees]C on a hot plate.
The compound gave a yellow spot with anisaldehyde spray reagent after heating at 110 [degrees]C for 2-3 min.
077g/L familiar Set 2 -- Less Anisaldehyde (Sigma) Musty (AN) 0.
The present work is related to the preparation and characterization of Nickel (II) complexes of semicarbazone and thiosemicarbazone of anisaldehyde.
170 [degrees] C, and anisaldehyde phenyl hydrazone (APH) m.
On TLC the compound gave a violet spot with p-nitroaniline spray reagent indicating that it is either phenolic or enolic, a dark brown colour with anisaldehyde spray reagent and a bright yellow colour with, 2,4 DNP spray reagent, suggesting that a carbonyl group might be present.