How can the chemical structure (in the attached document) be synthesized?

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Alessandro Venditti

The molecule you want to synthesize seems to be Patchouli alcohol.

A synthetic procedure is described in the following paper:

A stereocontrolled access to (±)-, (-)-, and (+)-patchouli alcohol

Naef, Ferdinand; Decorzant, Rene; Giersch, Wolfgang; Ohloff, Guenther

Helvetica Chimica Acta (1981), 64(5), 1387-97.

Americo Lemos

One more recent apprach to enantiospecific total synthesis of (−)-patchouli alcohol can be found in Tetrahedron: Asymmetry 16 (2005) 3992–3997. Good work