(E)-6-(2-Hydroxy-6-methoxy-phenyl)-2,3,4-trimethyl-hex-4-enoic acid ethyl ester

1-(2-O-tert-butyldimethylsilyloxy-6-methoxyphenyl)-3-methylbut-3-en-1-ol

1-(2-O-tert-butyldimethylsilyloxy-6-methoxyphenyl)-3-methylpent-3-en-1-ol

methyl (4E)-6-(2-O-tert-butyldimethylsilyloxy-6-methoxyphenyl)-2-chloro-4-methylhex-4-enoate

ethyl (4E)-6-(2-O-tert-butyldimethylsilyloxy-6-methoxyphenyl)-3,4-dimethylhex-4-enoate