Acknowledgment. We are indebted to the National Science

Acknowledgment. We thank the National Science Foundation

Foundation (Instrument Grant CHE 81-09064) for the. 300-MHz NMR spectrometer used in these studies and the. National Institutes of Health that supported ...

4968 VOl. '73 Acknowledgment.-We are indebted to David

The compounds 2-acetylthiophene, 2- propionylthiophene, 2-butyrylthiophene, Zbutyrylfuran and. 2-acetylfuran were prepared according to Heid and Levine'.

1339 Experimental Sectionla Acknowledgment. We are indebted to

In summary, we have developed an electrically driven. "on-off switch" for the release of thermal energy in the conversion of 2 to 1. This switch is highly efficient.

Acknowledgments. We are indebted to the Na- tional Science

We are indebted to the Na- tional Science Foundation for a predoctoral fellow- ship held by John F. Garst and additional collateral support through a research ...

Acknowledgment. We are grateful to the National Buffered Potassium

of a 5.0 M (45 wt %) TBHP/dichloromethane solution is about. 7 wt % . Solutions of ... of vigorous stirring, the mixture was filtered through a small plug of glass w001. ... analytical grade Celite gave a clear, colorless solution. Concen- ... warmed

to -78 âC. Acknowledgment. We are grateful to the National Science

J. Org. Chem. 1991,56,856-858. Metalation and Methyl Iodide Reaction of Dispiroindanyl. Ether 7. To 0.090 g (0.448 mmol) of 7 in 6 mL of dry E g O cooled.

Acknowledgment. We thank the National Science Foundation and the

We thank the National Science. Foundation and the Wisconsin Alumni Research Foun- dation (WARF) for support of this research. Supplementary Material ...

Acknowledgment. We thank the National Science Foundation and the

Compounds 3a, 3b, 3c, and 3d were prepared from la, la, Id, and le, respectively. Solutions of n-BuLi, PhLi, and 2-lithio-5-methylthiophene were titrated with use ...

Acknowledgment. We thank the National Science Foundation (Grant

We thank the National Science. Foundation (Grant CHE-8303355) and Eli Lilly and Co. for financial ... Chemical Research Institute of Non- Aqueous Solutions,.

Acknowledgment. We thank the National Science Foundation for its

Mar 9, 1987 - Foundation for its generous support. Mass spectra were .... of a quinoidal intermediate, and that in the case of 1 such an intermediate was not ...

Acknowledgment. We are indebted to the National Science

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