594
W. SANDERMANN
practically speak in terms of incorporation en bloc. Through decomposition of the radioactive compound the position of the radioactive carbon
atoms can be determined and conclusions be drawn as to whether a
terpene compound arises from a regular sequence of linkages, i.e., headLongifolene
Cadinene type
to-tail. β,/3-Dimethylacrylic acid can, in some cases, likewise be incorporated in a more or less unaltered form (en bloc) (20, 21); in
other cases, however, it undergoes so much degradation to acetic acid
before its incorporation that it does not seem suitable for biogenetic
W. SANDERMANN
practically speak in terms of incorporation en bloc. Through decomposition of the radioactive compound the position of the radioactive carbon
atoms can be determined and conclusions be drawn as to whether a
terpene compound arises from a regular sequence of linkages, i.e., headLongifolene
Cadinene type
to-tail. β,/3-Dimethylacrylic acid can, in some cases, likewise be incorporated in a more or less unaltered form (en bloc) (20, 21); in
other cases, however, it undergoes so much degradation to acetic acid
before its incorporation that it does not seem suitable for biogenetic