Formation of 10-membered Carbocycles by RCM

3) [Ru]-I catalyst was used for this transformation (18hours, CH2CI2, reflux, 77%). [Ruj-II 

Starting from (R)-(—)-carvone, the half-protected dialdehyde 392 was prepared. Diastereoselective reagent-controlled oxyaUyltitanations (with TADDOL as 

66 Yokoe, H., Sasaki, H., Yoshimura, T., Shindo, M., Yoshida, M., and Shishido, 

7 Synthesis of Natural Products Containing Medium-size Carbocycles 

92 Uchida, I., Ando, T., Fukami, N., Yoshida, K., Hashimoto, M., Tada, 

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