Synthesis of 2,5,8-trimethyl-3,4-dihydro-1(2H)-naphthalenone-2-d and 3,5,8-trimethyl-3,4-dihydro-1(2H)-naphthalenone-2,2-d2
✍ Scribed by E. J. Eisenbraun; B. Dewprashad; P. W. Geno; A. R. Taylor
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- French
- Weight
- 168 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0022-2135
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✦ Synopsis
Abstract
The synthesis of specifically labeled 2,5,8‐trimethyl‐3,4‐dihydro‐1(2H)‐naphthalenone‐2‐d and 3,5,8‐trimethyl‐3,4‐dihydro‐1(2H)‐naphthalenone‐2,2‐d~2~ through α‐proton exchange using neat trifluoroacetic acid‐d is described.
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## Abstract Two new structurally isomeric, 2‐(2,4,4‐trimethyl‐3,4‐dihydro‐2__H__‐benzo[__h__]chromen‐2‐yl)‐1‐naphthol (**1****)** and 3‐(2,4,4‐trimethyl‐3,4‐dihydro‐2__H__‐benzo[__g__]chromen‐2‐yl)‐2‐naphthol (**3**) have been synthesized from 2‐acetyl‐1‐naphthol and ethyl‐3‐hydroxy‐2‐naphthoate, r
## Abstract Methyl‐2‐alkylamino‐ oder Methyl‐2‐arylamino‐2‐(2‐arylhydrazono)acetate **1** reagieren mit Thionylchlorid ohne Basenzusatz zu 5‐Alkyl‐ oder 5‐Aryl‐4‐methoxycarbonyl‐2,5‐dihydro‐1,2,3,5‐thiatriazol‐1‐oxiden **3**. Mit Alkylphosphonsäuredichloriden und 2 mol Triethylamin setzt sich **1**
## Abstract Synthesis of a series of novel spiro[3,4‐diaryl‐4,5‐dihydroisoxazole‐5,2′‐1′,2′,3′,4′‐tetrahydro‐1′‐naphthalenone] has been described by the regioselective cycloaddition of nitrile oxides with 2‐arylmethylene‐1,2,3,4‐tetrahydro‐1‐naphthalenone. © 2001 John Wiley & Sons, Inc. Heteroatom