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Recent Literature

A cobalt-catalyzed neutral Diels-Alder reaction of dienes derived from aldehydes with terminal and internal alkynes, and DDQ oxidation of the dihydroaromatic intermediates leads to regiochemically enriched biphenyl, terphenyl, and silyl-functionalized benzene derivatives in good to excellent yields.
G. Hilt, M. Danz, Synthesis, 2008, 2257-2263.

The cobalt-catalyzed Diels-Alder reaction of alkynyl pinacol boronic esters with various dienes generates cycloadducts in very good regioselectivity. A reaction sequence (Diels-Alder reaction, Suzuki coupling, DDQ oxidation) was successfully performed as a one pot operation without isolation of the intermediates.
G. Hilt, K. I. Smolko, Angew. Chem. Int. Ed., 2003, 42, 2795-2797.

Highly Selective Diels-Alder Reactions of Directly Connected Enyne Dienophiles
M. Dai, D. Sarlah, M. Yu, S. J. Danishefsky, G. O. Jones, K. N. Houk, J. Am. Chem. Soc., 2007, 129, 645-657.

Salicylic acid derivatives were prepared by Me₃SiOTf-catalyzed [3 + 3] cyclization of 1,3-bis(silyl enol ethers) with 1,1,3,3-tetramethoxypropane under mild conditions in moderate yields.
M. Sher, T. H. T. Dang, Z. Ahmed, M. A. Rashid, C. Fischer, P. Langer, J. Org. Chem., 2007, 72, 6284-6286.

Various substituted phenol and benzene derivatives were prepared through RCM-tautomerization and RCM-dehydration protocols without formation of inseparable regioisomers.
K. Yoshida, S. Horiuchi, N. Iwadate, F. Kawagoe, T. Imamoto, Synlett, 2007, 1561-1562.

K. Yoshida, S. Horiuchi, N. Iwadate, F. Kawagoe, T. Imamoto, Synlett, 2007, 1561-1562.

A New Synthetic Approach to Phenol Derivatives: Use of Ring-Closing Olefin Metathesis
K. Yoshida, T. Imamoto, J. Am. Chem. Soc., 2005, 127, 10470-10471.

Synthesis of Styrenes Using Ruthenium-Catalyzed Ring-Closing Enyne Metathesis
K. Yoshida, Y. Shishikura, H. Takahashi, T. Imamoto, Org. Lett., 2008, 10, 2777-2780.

A AuCl-catalyzed, flexible synthesis of highly substituted, benzyl-protected phenols unites enal/enones and benzyl allenyl ethers in a [3+3] fashion in two steps, allowing excellent control of substitution at the benzene ring.
X. Huang, L. Zhang, Org. Lett., 2007, 9, 4627-4630.

X. Huang, L. Zhang, Org. Lett., 2007, 9, 4627-4630.

A gold(I)-catalyzed intramolecular hydroarylation of (Z)-2-(enynyl)indoles gives carbazoles in good yields. The requisite (Z)-2-(enynyl)indoles were synthesized stereoselectively by trimethylgallium-promoted, Z-selective Wittig olefination of N-alkylindole-2-carboxaldehydes with propargyl ylides.
C. Praveen, P. T. Perumal, Synlett, 2011, 268-272.

A cationic rhodium(I)/BINAP complex-catalyzed decarboxylative [2 + 2 + 2] cycloaddition of 1,6- and 1,7-diynes with commercially available vinylene carbonate enables a new route to substituted phenols.
H. Hara, M. Hirano, K. Tanaka, Org. Lett., 2009, 11, 1337-1340.