1954
DOI: 10.1021/ja01631a045
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β-Propiolactone. XIV.1 β-Isovalerolactone

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Cited by 30 publications
(5 citation statements)
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“…The (6R)-2,6-dimethyl- (4) from (R)-3-hydroxybutanoic acid undergoes SN2 ring opening with benzylamine to give the N-benzyl derivative (enj-5) of (S)-3-aminobutanoic acid in 3040% yield.…”
Section: Preparation Of Enantiomerically Pure Derivatives Of 3-amino-mentioning
confidence: 99%
See 1 more Smart Citation
“…The (6R)-2,6-dimethyl- (4) from (R)-3-hydroxybutanoic acid undergoes SN2 ring opening with benzylamine to give the N-benzyl derivative (enj-5) of (S)-3-aminobutanoic acid in 3040% yield.…”
Section: Preparation Of Enantiomerically Pure Derivatives Of 3-amino-mentioning
confidence: 99%
“…-Die Umsetzung des p-Lacton-Grundkorpers (P-Propiolacton) mit verschiedenen Nucleophilen wurde intensiv untersucht und auch in zwei Ubersichtsartikeln zusammengefasst [ 11 [2]. Seit D-Propiolacton kommerziell zuganglich wurde [3], waren es besonders Gresham und Mitarbeiter, die sich urn das Verstiindnis dieser Reaktionen und ihre synthetische Nutzbarmachung bemiihten [4]. Prinzipiell kann ein ,6-Lacton mit einem Reagenz Nu-M auf zwei verschiedene Arten geoffnet werden: in der Reaktion vom Typ I wird die [C(=O)-01-Bindung, in der vom Typ I1 die (Alkyl-0)-Bindung gebrochen (Schema 1 ).…”
Section: -Ethoxy-13-dioxan-4-oneunclassified
“…In einer friiheren Mitt. *) hattenwir iiber die Vorteile der Verwendung von 8-Propiolactonen bei der Synthese von N-monosubstituierten 3-(Aminothiocarbonylmercapto)-propionsauren 2 und den daraus durch Cyclisierung erhaltlichen 4-Oxo-2-thioxo-tetrahydro-1,3-thiazinen 3 Als @-Lactone mit exocyclischer Doppelbindung wurden @-Methyliden-@-propiolacton…”
unclassified
“…It is noteworthy that 23 (analyzed as 21 by glpc) increases in relative quantity as the amount of peracid increases. The other mode of reaction for 24 involves valence isomerization to cyclopropanone 26. This hypothesis is supported most strongly by the presence of lactone 22, its further peracid oxidation product, in the crude product mixture.…”
mentioning
confidence: 99%
“…It was somewhat surprising to note that 24 does not give appreciable quantities of the simple carboxylic acid adduct 27, normally the major product from aliene epoxidations. An understanding of this observation is complicated by the ambiguity of the mechanistic pathway leading to this type product, which can conceivably be generated by addition of acid to either an aliene oxide or cyclopropanone intermediate.…”
mentioning
confidence: 99%