Charge localization in the retro-Diels-Alder fragmentation of tetralins
✍ Scribed by D. A. Lightner; Frank S. Steinberg
- Publisher
- John Wiley and Sons
- Year
- 1970
- Tongue
- English
- Weight
- 113 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1076-5174
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## Abstract A stereospecific ‘__retro__‐Diels‐Alder’ fragmentation followed by hydrogen migration was found in the mass spectra of imides and phenyl imides of decahydroindacene 4,5‐dicarboxylic acid. The fragmentation involves a one hydrogen atom rearrangement when the charge is retained on the die
Retro-Diels-Alder (RDA) fragmentation of cis-and tuuns-2,3diethoxycarbonyl-5,6,7,8dihenzo bicyclo [ 2.2.2 J octanes under isobutane and methane chemical ionization conditions is highly stereospecific, giving rise to protonated diethyl maleate and fumarate, respectively. This behaviour indicates a si