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2-Hydroxy-5-tricyclo[3.3.1.10.0] dec-1-yl-benzaldehyde was prepared from 4-adamantyl phenol in a manner analogous to the preparation of 8.
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2-salen catalyzed addition of trimethylsilylcyanide to aldehydes: see Y. Jiang, L. Gong, X. Feng, W. Hu, W. Pan, Z. Li, and A. Mi Tetrahedron 53 1997 14327 14338
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