HCID 66679578, compound → HCID 58164229, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of ester XXXII (2 g, 8.5 mmol) and 300 mg of Pd (OH)2 in 20 mL of MeOH was stirred in an autoclave at 80° C. for 48 h under 40 psi of H2. Then the reaction mixture was filtered, and concentrated to give 1.7 g of chroman-3,6-dicarboxylic acid 6-methyl ester XXXIII (Yield 85%). MS: calc'd 237 (MH+), exp 237 (MH+).

Provenance & Evidence