
TY  - JOUR
A1  - Jefferson, A 
A1  - Sargent, MV 
A1  - Wangchareontrakul, S 
T1  - Synthesis and Identification of &#969;-Phenylalkylcatechols in Burmese Lac
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1988
VL  - 41
IS  - 1
SP  - 19
EP  - 25
KW  - 
UR  - https://doi.org/10.1071/CH9880019 
N2  - The presence of 3-(10&#8242;-phenyldecyl)-(2) (2%), 3-(12&#8242;-phenyldodecyl)- (3) (6%), 4-(10&#8242;-phenyldecyl)-(4) (0.3%) and 4-(12&#8242;-phenyldodecyl)- benzene-1,2-diol (5) (0.3%) in Burmese lac , the sap of Melanorrhoea usitata Wall has been confirmed by the synthesis of these compounds and a comparison of the gas chromatographic retention times and the mass spectral characteristics of their bis-O-( trimethylsilyl ) derivatives with the derivatives of the natural products. Typically, 3,4- bis ( benzyloxy ) benzaldehyde (7) on Wittig reaction with triphenyl (11- phenylundecyl ) phosphonium bromide (20) and subsequent catalytic hydrogenation of the resultant olefin gave compound (5) in 59% overall yield. 
ER  -

