๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

A synthesis of purpurin derivatives substituted at the 6,16-meso positions.

โœ Scribed by M.J. Gunter; B.C. Robinson


Book ID
108382427
Publisher
Elsevier Science
Year
1990
Tongue
French
Weight
269 KB
Volume
31
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


Synthesis of novel tetracycline derivati
โœ Phaik-Eng Sum; Ving J. Lee; Francis P. Tally ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 148 KB

I-Substituted te.mcycm. otiho&bmam' meS, ticatalyzed azide rearrangements. 7(or 9)-azimyclines Abstract llwC-8 funcdooalizatiooof te~clinederivatives via acid-catalyzed reatIangemf%It Of 7(or 9)azieyclines is c%zscribed. These ccmpomaaretbefifsttobepreparedfmulanin~ttehacyclincnucleus.

Synthesis of Guanine Derivatives Substit
โœ Brian F. McGuinness; Koji Nakanishi; Roselyn Lipman; Maria Tomasz ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 277 KB

Although adducts resulting from the reaction of mitomycin C (MC) and DNA have been characterized as guanine derivatives covalently linked to MC at the guanine N2-and/or 06-positions, lack of material and of protons on the guanine nucleus had led to difficulties in product characterization. Authentic

Umpolung of Reactivity of Lithium Trimet
โœ Raffaele Saladino; Luigi Stasi; Rosario Nicoletti; Claudia Crestini; Maurizio Bo ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 240 KB

The nucleophilic addition of TMSC(Li)N 2 at the low reactive the nucleophile mainly (methyl, chloromethyl or halogen) or completely (isopropyl) toward the C-5 position. The fine-C-5 position of the uracil ring of C-6 substituted uracil derivatives is reported. The ratio of C-5 versus C-6 tuned subst