Figures (2)  Tables (1)

    • Figure 1. 

      ML tree and colony of Annulohypoxylon stygium (PMEF05), a fungal endophyte of the tropical plant, Pandanus simplex.

    • Figure 2. 

      Structure of 8-methoxynaphthol produced by the Annulohypoxylon stygium (PMEF05) from Pandanus simplex.

    • Position8-methoxynapthol, δH
      measured at 400 MHz, CDCl3      		8-methoxy-naphthol, δH
      measured at 300 MHz, CDCl3[18]      		8-methoxynapthol, δc
      measured at 100 MHz, CDCl3      		8-methoxy-naphthol, δC
      measured at 75 MHz, CDCl3[18]
      1−−154.7154.6
      27.33 (1H, m)7.32 (1H, m)118.9118.0
      37.36 (1H, m)7.36 (1H, m)125.6125.8
      47.42 (1H, d, J = 8.28 Hz)7.44 (1H, m)121.9121.9
      4a−−136.9136.9
      57.29 (1H, dd, J = 7.80, 1.54 Hz)7.29 (1H, m)127.8127.8
      66.78 (1H, t, J = 7.80 Hz)6.78 (1H, m)110.5110.6
      76.88 (1H, dd, J = 7.80, 1.54 Hz)6.93 (1H, m)103.9104.0
      8−−156.3156.3
      8a−−115.2115.2
      -CH34.06 (3H, s)4.04 (3H, s)56.256.2
      -OH9.35 (1H, s)9.37 (1H, s)−−
      s: singlet; d: doublet; dd: doublet of a doublet; m: multiplet

      Table 1. 

      Comparison of 1H and 13C NMR data with literature data.