Gas-Phase Ozone Oxidation of Monoterpenes: Gaseous and ...

GAS-PHASE OZONE OXIDATION OF MONOTERPENES 223
Table V. Products from ozone oxidation of sabinene
Name Structure Pseudo-molecular ions in
CI mass spectrum
S 1 :C 8 H 12 O 4 M+73: 389 M+1: 317
MW = 172 M-15: 301 M-89: 227
deri. MW = 316 M-117: 199
S 2 :C 9 H 14 O 4 M+73: 403 M+1: 331
sabinic acid M-15: 315 M-89: 241
MW = 186 M-117: 225
deri. MW = 330
S 3 :C 9 H 14 O 4 M+73: 403 M+1: 331
pinic acid M-15: 315 M-89: 241
MW = 186
deri. MW = 330
S 4 :C 9 H 14 O M+181: 514 M+29: 362
sabina ketone M+1: 334 M-181: 152
MW = 138 M-197: 136
deri. MW = 333
S 5 :C 8 H 12 O 3 M+73: 496 M+1: 424
2-(2-isopropyl)-2-formyl- M-15: 408 M-89: 334
cyclopropyl-methanoic acid M-181: 242 M-197: 226
MW = 156
deri. MW = 423
S 6 :C 9 H 14 O 2 M+181: 602 M+1: 422
hydroxy sabina ketones M-15: 406 M-89: 332
MW = 154 M-197: 224 M-212: 210
deri. MW = 421
S 7 :C 9 H 14 O 3 M+197: 634 M+181: 618
norsabinonic acid and its M+73: 510 M+1: 438
isomers M-15: 422 M-89: 348
MW = 170 M-197: 240
deri. MW = 437
S 8 :C 8 H 12 O 3 e.g. M+89: 584 M+1: 496
MW = 156 M+29: 524 M-15: 480
deri. MW = 495 M-89: 406 M-147: 348
M-197: 298