This new reaction should be applicable to other iodoalkynes. In this context, we have found that 1-( 1-cyclohexeny1)-2-iodoethyne (1 e) can also be dimerized by reaction with Ipy2BF4/HBF4 in CH,CI, (Scheme 3). Running the reaction n Q C Scheme 3. Synthesis of a cross-conjugated (dieny1)enyne by the
High-performance Liquid Chromatography/NMR Spectrometry/Mass Spectrometry:Further Advances in Hyphenated Technology
β Scribed by Holt, R. M.; Newman, M. J.; Pullen, F. S.; Richards, D. S.; Swanson, A. G.
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 395 KB
- Volume
- 32
- Category
- Article
- ISSN
- 1076-5174
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β¦ Synopsis
The earlier use of combined liquid chromatography/NMR spectrometry/mass spectrometry (LC/NMR/MS) involved the use of a particle beam interface. This paper describes further developments of this hyphenated technology, in particular the incorporation of an electrospray interface into the LC/NMR/MS system. This improved LC/NMR/MS system was designed for the support of a combinatorial library program. The power of this technique is demonstrated in the successful structural elucidation of each compound in a mixture of commercially available peptides.
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