✦ LIBER ✦

Mass spectrometry of pyrrolo [2, 3- b] pyrazines and pyrazino [2, 3- b]indole

✍ Scribed by B. A. J. Clark; J. Parrick

Book ID: 102554920
Publisher: John Wiley and Sons
Year: 1977
Tongue: English
Weight: 213 KB
Volume: 12
Category: Article
ISSN: 1076-5174
DOI: 10.1002/oms.1210120703

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The first mass spectra of pyrrolo [2, 3‐b] pyrazine and some of its derivatives and of pyrazino [2, 3‐b] indole are reported and compared with those of related compounds. Differences between the spectra of some aryl substituted derivatives are described and discussed.

📜 SIMILAR VOLUMES

Formation of certain substituted 5H-pyrr

Formation of certain substituted 5H-pyrrolo[2,3-b]pyrazines by thermal cyclisation of pyrazinylhydrazones and a route to 5H-pyrazino[2,3-b]indole; a synthesis of 5H-pyrrolo[2,3-b] pyrazine and some of its properties

✍ Clark, Bernard A. J.; Parrick, John; Dorgan, Roderick J. J. 📂 Article 📅 1976 🏛 Royal Society of Chemistry ⚖ 320 KB

Synthesis of pyrrolo[3,2-b]indole deriva

Synthesis of pyrrolo[3,2-b]indole derivatives

✍ A. N. Grinev; S. Yu. Ryabova 📂 Article 📅 1982 🏛 Springer US 🌐 English ⚖ 339 KB

Synthesis of pyrrolo[2,3-b] pyrazine (4,

Synthesis of pyrrolo[2,3-b] pyrazine (4,7-diazaindole)

✍ V. A. Azimov; L. N. Yakhontov 📂 Article 📅 1973 🏛 Springer US 🌐 English ⚖ 67 KB

Facile and general synthesis of pyrrolo[

Facile and general synthesis of pyrrolo[2,3-b]pyrazines via 2-(dicyanoylidene)-3-halopyrazines

✍ Igor L. Yudin; Svetlana M. Aronova; Aleksei B. Sheremetev; Boris B. Averkiev; Mi 📂 Article 📅 2001 🏛 Royal Society of Chemistry 🌐 English ⚖ 168 KB

Syntheses of 2,3-dicyano-5a,8a-dihydro-5

Syntheses of 2,3-dicyano-5a,8a-dihydro-5a-hydroxycyclopentano[1′,2′:4,5]pyrrolo[2,3-b]pyrazines and 2,3-dicyanocyclohexano[1′,2′:4,5]pyrrolo-[2,3-b]pyrazines

✍ Kazuko Shirai; Koushi Fukunishi; Dongfeng Hou; Masaru Matsuoka 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 450 KB 👁 1 views

## Abstract Previously synthesized 2‐(3′‐chloro‐5′,6′‐dicyanopyrazin‐2′‐yl)cyclopentan‐1‐one **1**, obtained from the reaction of 2,3‐dichloro‐5,6‐dicyanopyrazine with 1‐pyrrolidino‐1‐cyclopentene, was further reacted with primary alkylamines to give mixtures of diastereomer of 5‐alkyl‐2,3‐dicyano‐

ChemInform Abstract: Synthesis of 5H-Pyr

ChemInform Abstract: Synthesis of 5H-Pyrazino(2,3-b)indoles from Indole-2,3-dione Derivatives.

✍ J. BERGMAN; H. VALLBERG 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 29 KB 👁 1 views

Synthesis of 5H-Pyrazino(2,3-b)indoles from Indole-2,3-dione Derivatives. -The reaction of the N-acetylisatins (I) with ethylenediamine yields the products (III). After dehydrogenation these compounds and their analogues (IV) after deacetylation are cyclized by heating to the title products (VI). N