期刊
ORGANIC LETTERS
卷 12, 期 14, 页码 3230-3233出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol1011696
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资金
- National Science Foundation [CHE-0718117]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0718117] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0822838, 1012578] Funding Source: National Science Foundation
Linear oligothiophenes, containing annelated dithieno[2,3-b:3',2'-d]thiophene units, undergo unexpected spirocyclizations upon treatment with trifluoroacetic acid. The resultant spiro oligothiophenes possess novel structures in which the spiro or dispiro skeleton is within an all-thiophene/dihydrothiophene framework. Racemic dispiro octathiophene is obtained with high diastereoselectivity and in high yield.
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