Table 1 in Structures and biological significance of lactarane sesquiterpenes from the European mushroom Russula nobilis

Table 1 Experimental (75.47 MHz, CD Cl) 13 C NMR resonances (δ) for compound 7a and russulanobilines A–C, and calculated 13 C NMR resonances (δ) for structures 13a, 14oia, 14ƥa, 2 2 C C 15oia, and 15ƥa.
CarbonCompound 7aRussulanobiline A (12)Russulanobiline B (13)13a/ ΑδRussulanobiline C (14) a14 oia / Αδ 14ƥa/ Αδ15 oia / Αδ 15ƥa/ Αδ148.4f45.547.449.7/+2.346.949.4/+2.549.7/+2.849.0/+2.149.6/+2.7248.6 g52.742.647.3/+4.743.547.9/+4.550.2/+6.843.348.0/+4.650.2/+6.83147.336.339.845.4/+5.648.149.4/+2.459.2/+12.245.851.6/+4.659.2/+12.24112.7148.971.275.7/+4.5198.3200.8/+2.6197.6/ — 0.6198.1200.1/+1.9198.4/+0.25173.8171.672.274.2/+2.097.199.5/+2.498.0b/+0.997.0100.1/+3.098.9b/+1.86120.7123.8155.4156.0/+0.6144.5143.3/ — 1.1163.7 c /+19.2144.4144.0/ — 0.4163.8 c /+19.37160.7130.1124.4125.4/+1.0135.2135.1/ — 0.05123.9d/ — 11.3135.1136.0/+0.8123.1d/ — 12.1868.8131.5110.5109.2/ — 1.3112.8111.4/ — 1.1113.7/+1.1112.3111.8/ — 0.7114.0/+1.4947.2 g83.3160.4165.2/+5.2171.1178.8/+7.8181.9/+10.9170.9181.3/+10.3182.9/+11.91043.7f58.050.152.8/+2.750.954.5/+3.654.7/+3.850.854.6/+3.754.7/+3.81134.433.237.844.0/+6.237.442.4/+5.044.0/+6.737.142.8/+5.443.9/+6.61226.217.715.616.6/+1.013.014.5/+1.919.8/+7.212.215.0/+2.419.7/+7.11370.069.8174,8172.4/ — 2.4169.7169.9/+0.2165.1 e / — 4.6170.2/+0.5166.7e / — 3.01432.2h32.6f29.230.8/+1.629.031.4/+2.430.1/+1.128.930.1/+1.130.1/+1.11531.0h32.9f26.828.0/+1.226.427.7/+1.327.9/+1.526.327.6/+1.227.8/+1.4
a The pairs of signals are due to a C-5 epimeric mixture.
b The calculated resonance refers to carbon C-13.
c The calculated resonance refers to carbon C-7.
d The calculated resonance refers to carbon C-6.
e The calculated resonance refers to carbon C-5.
f,g,h Assignments in the same vertical column can be interchanged.