𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthese von 3-(2-Carboxy-4-Pyridyl)- und 3-(6-Carboxy-3-pyridyl)-DL-alanin

✍ Scribed by Hans Hilpert

Publisher
John Wiley and Sons
Year
1987
Tongue
German
Weight
328 KB
Volume
70
Category
Article
ISSN
0018-019X

No coin nor oath required. For personal study only.

✦ Synopsis

Synthesis of 3-(2-Carboxy-4-pyridyl)and 3-(6-Carboxy-3-pyridyl)-DL-alanine As starting materials for potential photochemical approaches to betalaines C (R = COOH) and to muscaflavine F (R = COOH), b-(2-carboxy-4-pyridyI)and I(-(6-carboxy-3-pyridyI)-~~-alanine (A and D with R = COOH or 4 and ll), respectively, were prepared (Scheme 1 ) . The synthesis of 4 ( = A, R = COOH) started with the 2-[(4-pyridy~)methyl]md~onate 1 and proceeded via the N-oxide 2, cyanation and hydrolysis (Scheme 2). Amino acid 11 was obtained from (3-pyridy1)methyl-bromide (6) via the malonate 7 by an analogous sequence of reactions (Scheme 3 ) .

📜 SIMILAR VOLUMES

Synthese von 3-(2,4,5-Trihydroxyphenyl)-
Synthese von 3-(2,4,5-Trihydroxyphenyl)-DL-alanin
✍ A. Langemann; M. Scheer 📂 Article 📅 1969 🏛 John Wiley and Sons 🌐 German ⚖ 214 KB

3 095 au bain-niarie, concentre de moitiC e t traite par 100 in1 d'eau. On reprend le prCcipitC orang6 (372 mg) par 100 nil de benzknc bouillant, traitc a u noir animal, concentre le filtrat de moitiC et ajoutc 5 nil d'alcool. Aii ~-efroidissement, 123 mg de produit tlc depart I X cristallisent, F.

Darstellung und Untersuchung der Hydroac
Darstellung und Untersuchung der Hydroacridine, VIII. Synthese und Struktur von 9-[Pyridyl-(4)]- und 9-[Pyridyl-(3)]-symm-octahydroacridin
✍ Bărbulescu, Nicolae ;Potmischil, Franz ;Bădită, Gheorghe 📂 Article 📅 1971 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 225 KB 👁 1 views

## Abstract Durch Kondensation von γ‐bzw, β‐Pyridinaldehyd mit Cyclohexanon werden die tricyclischen Ketole **1 a** und **1 b** erhalten. Deren Oxime **2** ergeben durch thermische Zersetzung die entsprechenden 9‐Pyridyl‐__symm__‐octahydroacridine (**3**). Die NMR‐Spektren der dargestellten Verbind