Communications- Preparation of 1,2,3,4,5-Pentamethyl-cyclopentadiene, 1,2,3,4,5,5-Hexamethyl-cyclopentadiene, and 1,2,3,4,5-Pentamethyl-cyclopentadienylcarbinol
✍ Scribed by deVries, L
- Book ID
- 120250802
- Publisher
- American Chemical Society
- Year
- 1960
- Tongue
- English
- Weight
- 137 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0022-3263
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## Abstract The title compound **1** is shown to give, both upon direct irradiation at 254 nm and upon acetophenone‐sensitized photolysis at 300 nm, the __syn__‐vinyl‐pentamethylhousene **5**, which spontaneously rearranges in a [3,3]0sigmatropic process to give the bicyclo[3.2.0]heptadiene skeleto
## Abstract It has been shown that the reaction of the title ketone with phosphorous pentachloride leads to regiospecific chlorine transfer to the diene moiety of the molecule, leaving the carbonyl function intact. Attempted acetalization with ethylene glycol did not give the dioxolane but rather 1
Contains A Database Of Approximately 70,000 Reactions And 4000 Of The Most Frequently Consulted Reagents. Fully Searchable By Structure And Sub-structure, Reagent, Reaction Type, Experimental Conditions, And Keyword. Also Includes A Searchable Interface: Acronym Finder (an Interface For Scientific A