Synthesis of Dibenzo[b,d]pyran-6-ones Based on [3 + 3] Cyclizations of 1,3-Bis(silyl enol ethers)...

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2007 Benzopyran derivatives R 0350 Synthesis of Dibenzo[b,d]pyran-6-ones Based on [3 + 3] Cyclizations of 1,3-Bis(si- lyl enol ethers) with 3-Silyloxy-2-en-1-ones. — A wide range of dibenzopyranones is available using this route. — (HUSSAIN, I.; NGUYEN, V. T. H.; YAWER, M. A.; DANG, T. T.; FISCHER, C.; REINKE, H.; LANGER*, P.; J. Org. Chem. 72 (2007) 16, 6255-6258; Inst. Chem., Univ. Rostock, D-18059 Rostock, Germany; Eng.) — Jannicke 51- 170

Transcript of Synthesis of Dibenzo[b,d]pyran-6-ones Based on [3 + 3] Cyclizations of 1,3-Bis(silyl enol ethers)...

Page 1: Synthesis of Dibenzo[b,d]pyran-6-ones Based on [3 + 3] Cyclizations of 1,3-Bis(silyl enol ethers) with 3-Silyloxy-2-en-1-ones.

2007

Benzopyran derivativesR 0350 Synthesis of Dibenzo[b,d]pyran-6-ones Based on [3 + 3] Cyclizations of 1,3-Bis(si-

lyl enol ethers) with 3-Silyloxy-2-en-1-ones. — A wide range of dibenzopyranones is available using this route. — (HUSSAIN, I.; NGUYEN, V. T. H.; YAWER, M. A.; DANG, T. T.; FISCHER, C.; REINKE, H.; LANGER*, P.; J. Org. Chem. 72 (2007) 16, 6255-6258; Inst. Chem., Univ. Rostock, D-18059 Rostock, Germany; Eng.) — Jannicke

51- 170

Page 2: Synthesis of Dibenzo[b,d]pyran-6-ones Based on [3 + 3] Cyclizations of 1,3-Bis(silyl enol ethers) with 3-Silyloxy-2-en-1-ones.

2007


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