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Synthesis of 4,5-trans-Substituted Cyclohexenones.

✍ Scribed by E. Peter Kuendig; Manisankar Sau; Alejandro Perez-Luna

Publisher
John Wiley and Sons
Year
2006
Weight
28 KB
Volume
37
Category
Article
ISSN
0931-7597

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Optically active trans-4-(tert-butyldime
Optically active trans-4-(tert-butyldimethylsiloxymethyl)-5-(tert-butyldimethylsiloxy)-2-cyclohexenone as a useful chiral building block for preparation of substituted cyclohexane rings: synthesis and its highly stereoselective reaction with RCu(CN)Li
✍ Takeshi Hanazawa; Masakazu Koiwa; Georges P.-J. Hareau; Fumie Sato πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 French βš– 116 KB

Optically active trans-4-(tert-butyldimethylsiloxymethyl)-5-(tert-butyldimethylsiloxy)-2-cyclohexenone (2) has been synthesized in 25% overall yield starting from easily available 1,4-bis(benzyloxy)-2,3-epoxy butane (3). The enone 2 reacts with excellent stereoselectivity with RCu(CN)Li thus working

ChemInform Abstract: Optically Active tr
ChemInform Abstract: Optically Active trans-4-(tert-Butyldimethylsiloxymethyl)-5- (tert-butyldimethylsiloxy)-2-cyclohexenone as a Useful Chiral Building Block for Preparation of Substituted Cyclohexane Rings: Synthesis and Its Highly Stereoselective Reaction with RCu(CN)Li.
✍ Takeshi Hanazawa; Masakazu Koiwa; Georges P.-J. Hareau; Fumie Sato πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons βš– 33 KB πŸ‘ 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a β€œFull Text” option. The original article is trackable v

A new 4-substituted-2-Cyclohexenone synt
A new 4-substituted-2-Cyclohexenone synthesis
✍ Kevin I. Booker-Milburn; David F. Thompson πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 French βš– 199 KB

Conjugate addition of a variety of Grignard reagents to 2-cyclopentenone followed by cyclopropanation of the resulting enol ethers gave a range of substituted cyclopropyl silyl ethers in good yield. Treatment of these cyclopropyl silyl ethers with ferric chloride in DMF gave the one carbon ring expa