1963
DOI: 10.1002/jlac.19636630125
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Synthese der Insulinsequenz B 9 — 13

Abstract: 177 4.5-/3.4.6-Tribenzoyl-D-glucopyrano]-oxazolidon-(2) (X). -Je 2 g VII bzw. VIII wurden entsprechend der Darstellung von IX behandelt. Umkristallisieren aus Alkohol ergab aus VII 0.6 g (39 %) und aus VIII 0.5 g (35 %) Oxazolidon. Beide Produkte schmoken bei 205" (Mischprobe ohne Depression) und zeigten [a]g = $3.3" (c = 2, CHC13). Die IR-Spektren (in KBr) beider Proben waren identisch und enthielten alle fur Oxazolidon charakteristischen Banden 11). CzaHz3N09 (517.5) Ber. C 64.98 H 4.48 N 2.71 Gef.+) C 64.70… Show more

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Cited by 8 publications
(2 citation statements)
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“…Preparation of N-benzyloxycarbonylglycyl-L-glutamic aciddimethylester. N-Benzyloxycarbonylglycine and L-glutamic acid dimethyl ester hydrochloride (Rachele, 1963;Zahn et al, 1963) were coupled by using 1 equiv. of dicyclohexylcarbodi-imide and 2 equiv.…”
Section: Other Methodsmentioning
confidence: 99%
“…Preparation of N-benzyloxycarbonylglycyl-L-glutamic aciddimethylester. N-Benzyloxycarbonylglycine and L-glutamic acid dimethyl ester hydrochloride (Rachele, 1963;Zahn et al, 1963) were coupled by using 1 equiv. of dicyclohexylcarbodi-imide and 2 equiv.…”
Section: Other Methodsmentioning
confidence: 99%
“…5-Acetoxypentyl isocyanate was prepared from E-caprolactone through the following steps. Hydrolysis of s-caprolactone in an aqueous alkaline solution a t room temperature gave quantitatively sodium E-hydroxycaproate (11).…”
Section: Preparation Of 5-acetoxypentyl Isocyanatementioning
confidence: 99%