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Total synthesis of 7',8'-dihydroaigialospirol.

Organic letters (2012-09-29)
Tsz-Ying Yuen, Margaret A Brimble
ABSTRACT

A highly convergent total synthesis of 7',8'-dihydroaigialospirol is described. Key steps of the synthesis include a Nozaki-Hiyama-Kishi (NHK) coupling of an iodoalkyne with an advanced phthalide-aldehyde and a remarkable one-pot acid-mediated global deprotection/spiroacetalization.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Phthalide, 98%