๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

A new ring transformation of pyrazolo[4,3-d]pyrimidines to pyrimido[5,4-d]pyrimidines

โœ Scribed by Shigeo Senda; Kosaku Hirota; Tetsuji Asao; Yoshihiro Yamada


Publisher
Elsevier Science
Year
1978
Tongue
French
Weight
103 KB
Volume
19
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


Facile Synthesis of Pyrazolo[3,4-d]pyrim
โœ Sanjay Babu Katiyar; Arun Kumar; Prem M. S. Chauhan ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› John Wiley and Sons โš– 24 KB ๐Ÿ‘ 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

Anticytokinin activity of 4-substituted
โœ V. Alexieva; I. Sergiev; E. Karanov; E. Golovinsky; E. Stanoeva; M. Haimova; G. ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Springer ๐ŸŒ English โš– 527 KB

The synthesis and physiological activity of some novel 4-substituted triazolo [4,5-d]pyrimidines and 4-substituted pyrazolo [3,4-d]pyrimidines are described. Most of the compounds possessed high anticytokinin activity towards purine (benzyladenine) and phenylurea (4-PU-30) type cytokinins. 1-Benzyl-

Synthesis of Pyrimido[4,5-d]pyrimidine
โœ Prof. Dr. H. Bredereck; Dr. G. Simchen; Apothekerin M. Krรคmer ๐Ÿ“‚ Article ๐Ÿ“… 1969 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 235 KB ๐Ÿ‘ 1 views
A convenient synthesis of pyrazolo[3,4-d
โœ M. El Haddad; M. Soukri; S. Lazar; A. Bennamara; G. Guillaumet; M. Akssira ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 470 KB

## Abstract Pyrazoloโ€[3,4โ€__d__]pyrimidineโ€4,6โ€diones **5** and pyrazolo[4,3โ€__d__]pyrimidineโ€5,7โ€diones **7** were synthesized by Curtius rearrangement of pyrazolic monoโ€esters **2** and **3** followed by heteroโ€cyclization __via__ the ureas derivatives **4** and **6** under alkaline conditions.

ChemInform Abstract: A Convenient Synthe
โœ M. El Haddad; M. Soukri; S. Lazar; A. Bennamara; G. Guillaumet; M. Akssira ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› John Wiley and Sons โš– 31 KB ๐Ÿ‘ 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a โ€œFull Textโ€ option. The original article is trackable v