2-phenyl-4(S)-<4(S)-methyl-3(R)-<(tert-butyldimethylsilyl)oxy>hex-5-en-2(S)-yl>-2-oxazoline

3(S)-methyl-4(R)-<(tert-butyldimethylsilyl)oxy>-5(S)-methylhept-6-en-2(S)-ol

2(R)methyl-3(R)-<(tert-butyldimethylsilyl)oxy>-4(S)-methylhex-5-enal