ChemInform Abstract: 2,5-Dimethoxy-2,5-dihydrofuran as a Synthetic Equivalent of 3-Formyl Alkylpropionate in Pictet-Spengler Type Reactions.
β Scribed by H. FONTAINE; I. BAUSSANNE; J. ROYER
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 30 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The PictetβSpengler reaction is performed as a oneβpot procedure by condensing thienylethylamine (I) with carbonyl compounds (II), followed by treatment of the in situ formed imines with aceticβformic anhydride (III) to produce a formyliminium ion, which upon treatment with TFA cyclizes
## Cyclizations of Benzenesulfenyl Chloride Adducts with Conjugated Silyloxyenones: A New Stereoselective Reaction in the Synthesis of 4,5-Dihydrofuran-3(2H)-ones. -The title cyclization leads to intermediates such as (IV) and (IX), which can be converted to interesting furanones such as (VI). Th
## 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 βFull Textβ option. The original article is trackable v