Methyl 4-hydroxy-2-methoxy-6-pentylbenzoate

Chemically, the procedure of hydrolytic degradation of depsides and identification of the hydrolysis products remains a general and definitive procedure. For example the new depside 2-O-methylconfluentic acid (237) has been isolated from the lichen Lecidea fuscoatra and the structure deduced from spectroscopic data 190). Hydrolysis of the corresponding methyl ester, methyl 2-0-methylconfluentate (238) with methanolic potassium hydroxide gave 2,4-dimethoxy-6-(2-oxoheptyl)benzoic acid (239) and methyl 4-hydroxy-2-methoxy-6-pentylbenzoate (240) thus establishing the structure of this depside (Scheme 27). 

From 2-hydroxy-4-methoxy-6-n-heptyl-benzoic acid and benzyl 2,4-dihydroxy-6- -pentylbenzoate with TFAA and subsequent debenzylation From 2,4-dimethoxy-6-n-heptylbenzoic acid and benzyl 2-0-methyl-4-hydroxy-6- -pentylbenzoate with TFAA and subsequent debenzylation... 

Methyl 4-O-methylolivetolcarboxylate, Methyl 2-hydroxy-4-methoxy-6-n-pentylbenzoate (4-... 

By condensation of 2,4-dibenzyloxy-6-methylbenzoic acid and benzyl 4-benzyloxy-3-(2, 4 -dihydroxy-6 -methyl-benzoyloxy)-6-hydroxy-2-methylbenzoate with TFAA and subsequent debenzylation From 4-benzyloxy-2-hydroxy-6-/i-pentylbenzoic acid and olivetol with DCCD and subsequent debenzylation From 2-hydroxy-4-methoxy-6-n-propyl-benzoic acid and divarol with DCCD From 2-hydroxy-4-methoxy-6-n-propyl-henzoic acid and 3-methoxy-5-n-propylphenol with DCCD From 4-benzyloxy-2-hydroxy-6-n-pentyl-benzoic acid and 3-methoxy-5-n-propylphenol with DCCD and subsequent debenzylation... 

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See also in sourсe #XX -- [ ]

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