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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Visualization of spots on TLC were under UV lamp, in iodine chamber and with anisaldehyde spray followed by heating in the oven.
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.
TLC studies of the compound gave a yellowish colour with anisaldehyde spray reagent after heating for 3 min.
The solid gave a bright pink spot when sprayed with anisaldehyde spray reagent.
Fractions were combined according to similarity in TLC using Naturstoff A (5% (m/v) in Me0H) and anisaldehyde reagent (0.
254], Merck, Darmstadt, Germany) using n-hexane: EtOAc (8:2) as mobile phase and zones were visualized after spraying with anisaldehyde sulfuric acid reagent and heating at 105 [degrees]C for 5-10 min in visible light and under [UV.
The plates were airdried, detected with UV 366 nm and UV 254 nm, then sprayed with the reagent (a) anisaldehyde reagent (mixture of 0.
05554), detection reagent anisaldehyde, eluent: hexane/ethyl acetate 35%, mp 69-70[degrees].