Detail of "1589-82-8"

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O-(1-Phenylbutyl)benzyloxyacetaldoxime, a versatile reagent for the asymmetric synthesis of protected 1,2-amino alcohols and 2-hydroxymethyl nitrogen heterocycles

O-(1-Phenylbutyl)benzyloxyacetaldoxime, a versatile reagent for the asymmetric synthesis of protected 1,2-amino alcohols and 2-hydroxymethyl nitrogen heterocycles. Cooper, Tracey S.; Larigo, Alexander S.; Laurent, Pierre; Moody, Christopher J.; Takle, Andrew K. (School of Chemistry, University of Exeter, Exeter EX4 4QD, UK).In this article, certain chemicals are used. One of their cas registry numbers is 1589-82-8 Synlett, (10), 1730-1732 (English) 2002 Georg Thieme Verlag. CODEN: SYNLES. ISSN: 0936-5214. DOCUMENT TYPE: Journal CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Section cross-reference(s): 33 Addn. of organometallic reagents to O-(1-phenylbutyl)benzyloxyacetaldoxime in the presence of boron trifluoride di-Et etherate is highly diastereoselective; the resulting hydroxylamines are readily converted into protected 1,2-amino alcs. and 2-hydroxymethyl nitrogen heterocycles, including the imino sugar 1,4-dideoxy-1,4-imino-D-ribitol, in high enantiomeric excess. .

The Michael reaction of 2-(phenylthio)-2-penten-5-olide with some benzylic Grignard reagents

The Michael reaction of 2-(phenylthio)-2-penten-5-olide with some benzylic Grignard reagents. Synthesis of secocrispiolide.Several substances are used for example 1589-82-8 which is its cas registry number. Kato, Michiharu; Ouchi, Akihiko; Yoshikoshi, Akira (Chem. Res. Inst. Non-Aqueous Solutions, Tohoku Univ., Sendai 980, Japan). Chem. Lett., (10), 1697-700 (English) 1984. CODEN: CMLTAG. ISSN: 0366-7022. DOCUMENT TYPE: Journal CA Section: 30 (Terpenes and Terpenoids) Secocrispiolide (I) was prepd. in many steps via Michael reaction of phenylthiopentenolide II with 2,6-Me2C6H3MgBr. Michael reactions of II with some other ortho-substituted benzylmagnesium bromide were also investigated. .