中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
甲基4-(苄氧基)-2-羟基-6-甲基苯甲酸酯 | Methyl-4-benzyloxy-2-hydroxy-6-methyl-benzoat | 22375-05-9 | C16H16O4 | 272.301 |
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 |
2,4-二羟基-6-甲基苯甲酸甲酯 | methyl orsellinate | 3187-58-4 | C9H10O4 | 182.176 |
2,4-二羟基-6-甲基甲酸乙酯 | ethyl orselinate | 2524-37-0 | C10H12O4 | 196.203 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-hydroxy-4-[(4-hydroxy-2-methoxy-6-methylbenzoyl)oxy]-6-methylbenzoic acid | 219700-72-8 | C17H16O7 | 332.31 |
—— | 2'-O-methyltenuiorin | 80144-97-4 | C27H26O10 | 510.497 |
—— | 2',2"-di-O-methyltenuiorin | 80144-99-6 | C28H28O10 | 524.524 |
—— | 2'-O-methylhiascic acid | —— | C25H22O11 | 498.443 |
—— | benzyl 4-O-benzyl-2-O-methyllecanorate | 219700-71-7 | C31H28O7 | 512.559 |
—— | 4-benzyloxy-2-methoxy-6-methylbenzoyl chloride | 159663-38-4 | C16H15ClO3 | 290.746 |
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.