中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-methoxy-4-methoxycarbonyloxy-6-methyl-benzoic acid methyl ester | 866996-98-7 | C12H14O6 | 254.24 |
2,4-二羟基-6-甲基苯甲酸甲酯 | methyl orsellinate | 3187-58-4 | C9H10O4 | 182.176 |
石茸酸 | umbilicaric acid | 30666-92-3 | C25H22O10 | 482.444 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-羟基-2-甲氧基-6-甲基-苯甲酸 | 4-hydroxy-2-methoxy-6-methylbenzoic acid | 3733-95-7 | C9H10O4 | 182.176 |
—— | 2"-O-methyltenuiorin | 80144-98-5 | C27H26O10 | 510.497 |
—— | methyl 4-O-benzyl-2'-O-methyllecanorate | 219700-69-3 | C25H24O7 | 436.461 |
—— | methyl 2'-O-methyllecanorate | 124521-14-8 | C18H18O7 | 346.337 |
—— | 2',2"-di-O-methyltenuiorin | 80144-99-6 | C28H28O10 | 524.524 |
4-[(2,4-二甲氧基-6-甲基苯甲酰)氧基]-2-甲氧基-6-甲基苯甲酸3-甲氧基-4-(甲氧羰基)-5-甲基苯基酯 | Tetra-O-methylgyrophorsaeuremethylester | 19314-74-0 | C29H30O10 | 538.551 |
—— | methyl 3,5-dichloro-4-hydroxy-2-methoxy-6-methylbenzoate | 72367-57-8 | C10H10Cl2O4 | 265.093 |
—— | Dichlorisoeverninsaeure | 4101-80-8 | C9H8Cl2O4 | 251.066 |
—— | Methyl 3,7-dimethoxy-1,9-dimethyldibenzofuran-2-carboxylate | 93796-73-7 | C18H18O5 | 314.338 |
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.