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pro vyhledávání: '"Anna L. Helgason"'
Autor:
Rick L. Danheiser, Anna L. Helgason
Publikováno v:
Journal of the American Chemical Society. 116:9471-9479
Autor:
Kristin E. Rosner, Ernesto Menta, Anna L. Helgason, Miles P. Hacker, Martin J. Maresch, Silvano Spinelli, A. Paul Krapcho, Ambrogio Oliva
Publikováno v:
Journal of Heterocyclic Chemistry. 30:1597-1606
The synthesis of 6,9-difluoro substituted benzo[g]quinoxaline-5,10-diones (3A), benzo[g]quinazoline-5,10-diones (3B) and benzo[g]phthalazine-5,10-diones (3C) have been accomplished. Treatment of 3A, 3B or 3C with diamines or N-(t-butoxycarbonyl)ethyl
Publikováno v:
ChemInform. 26
Autor:
Anna L. Helgason, Rick L. Danheiser
Publikováno v:
ChemInform. 26
Publikováno v:
The Journal of Organic Chemistry. 59:5514-5515
The intramolecular [4+2] cycloaddition of conjugated enynes provides an efficient and general route to aromatic and dihydroaromatic compounds