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Official Journal of the Japan Wood Research Society

Table 1 Yield* of autoxidation products and unreacted longifolene from reactions at 120 °C and room temperature

From: Natural autoxidation of longifolene and anti-termite activities of the products

Conditions

Products** (%)

Unreacted material** (%)

Temperature

Time

LC

LA

LL

LAc

isoLAc

LHK

L

120 °C

24 h

23

4.3

3.0

1.3

2.2

22

Room temperature

3 years

23

2.1

3.0

6.2

1.4

46

  1. * Each yield was calculated by dividing the molar amount of product or unreacted longifolene by the molar amount of longifolene before reaction
  2. ** L, longifolene; LC, longicamphenylone; LL, norlongilactone; LA, longicamphenylol; LAc, longifolic acid; isoLAc, isolongifolic acid; LHK, longifolene–hydroxy ketone; 100% = material longifolene