中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-羟基-6-甲基-4-苯基甲氧基苯甲酸乙酯 | ethyl 4-benzyloxy-2-hydroxy-6-methylbenzoate | 39503-11-2 | C17H18O4 | 286.328 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | ethyl 2,4-dibenzyloxy-3-formyl-6-methylbenzoate | 219700-88-6 | C25H24O5 | 404.463 |
—— | ethyl 4-benzyloxy-2,3-dihydroxy-6-methylbenzoate | 124281-13-6 | C17H18O5 | 302.327 |
—— | ethyl 4-benzyloxy-2,3-dimethoxy-6-methylbenzoate | 124281-14-7 | C19H22O5 | 330.381 |
—— | ethyl 3,4-dibenzyloxy-2-methoxy-6-methylbenzoate | 124281-17-0 | C25H26O5 | 406.478 |
—— | 4-benzyloxy-2,3-dimethoxy-6-methylbenzoic acid | 124281-19-2 | C17H18O5 | 302.327 |
—— | 3,4-dibenzyloxy-2-methoxy-6-methylbenzoic acid | 124281-18-1 | C23H22O5 | 378.425 |
—— | benzyl 3-benzyloxy-4-O-benzylumbilicarate | 124281-20-5 | C46H40O11 | 768.817 |
—— | 3-hydroxyumbilicaric acid | 124281-21-6 | C25H22O11 | 498.443 |
—— | 3-methoxyumbilicaric acid | 124281-23-8 | C26H24O11 | 512.47 |
The unambiguous total synthesis of ten O-methyl and/or C-hydroxy derivatives of gyrophoric acid (1) has been achieved by using the condensation of an appropriately substituted benzoic acid and benzyl lecanorate (33) or benzyl 2-O-methyllecanorate (32) in the key step.