𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Syntheses de (R,S) mevalonolactones marquees au 14C ou au 13C : (R,S) mevalonolactone (14C-4,5) ; (14C-5) ; (14C-3′)

✍ Scribed by Bernard Rousseau; Jean-Pierre Beaucourt; Louis Pichat


Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
213 KB
Volume
23
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Syntheses nouvelles de la mevalonolacton
✍ Bernard Rousseau; Jean-Pierre Beaucourt; Louis Pichat 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 French ⚖ 440 KB

MEVALONOLACTONE (14c,5) e t ( RS) MEVALONOLACTONE ( I 4 c -5 ) . Bernard ROUSSEAU, Jean-Pierre BEAUCOURT, Louis PICHAT\* S e r v i c e des Molecules Marquees -CEN-SACLAY -F. 91191 GIF-SUR-YVETTE Cedex Three new routes t 3 (RS) mvalonolactone s u i t a b l e for the double labeling w i t h i s o t

Syntheses Nouvelles DE LA Mevalonolacton
✍ Bernard Rousseau; Jean-Pierre Beaucourt; Louis Pichat 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 French ⚖ 536 KB

## Two procedures are described f o r the two s t e p synthesis o f I 3f-14c_] mevalonolactone and H-methyl mevalonolactone from radioactive methyl magnesium iodide. The f i r s t route involves the addition of radiolabeled methyl mgnesiwn iodide with 1-12,4,10 t r i o x a adamantyl) 4 -t r i t y

Synthese de la Letosteine: Marquee AU 14
✍ Colette Nicolas; Francloise Gachon; Michel Faurie 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 French ⚖ 354 KB

LETOSTEINE, 2-[ l ( e t h o x y c a r b o n y l m e t h y l t h i o ) -e t h y l 1 4 -h y d r o x y c a r b o n y l t h i a z o l i d i n e i s l a b e l l e d w i t h e i t h e r carbon-14 o r S u l f u r -3 5 on t h e f o l l o w i n g p o s i t i o n s : t h e c a r b o x y l i c c a r b o n o f

Synthese De La Beta-naphtoflavone 14C-4
✍ Nguyen-Hoang Nam; Do-Cao Thang; P. Queval; L. Pichat 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 French ⚖ 235 KB

## Abstract Carbonation with ^14^CO~2~ of penylethynyl‐lithium has given rise to (carboxyl‐^14^C) phenylpropiolic acid with 75 % yield based on ^14^CO^2^. The latter condensed with 2‐naphthol by treating with polyphosphoric acid afforded (4‐^14^C) β‐naphthoflavone, purified by silicagel low pressur

Synthese de la [(p-Chlorophenyl)-2′ Phen
✍ L. Pichat; J. Tostain; E. Boschetti 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 French ⚖ 287 KB

The carbonation with lPCO2 of the lithium derivative 6 prepared from p-chtorcdiphenytmethane 5 and n-but 1 lithium in THF i n presence of tetramethylmediamine gives (~4C-carbozyt) 2-I -chi!oro phenyll-2-phenylacetic acid 7 with 85 X yield based on d04. Action of thionyl chloride gave the correspond

Synthese de l'hydroxy-9 ellipticine (14C
✍ Nguyen Van-Bac; Michel Herbert; Louis Pichat; Maurice-Marie Janot; Nguyen Dat-Xu 📂 Article 📅 1975 🏛 John Wiley and Sons 🌐 French ⚖ 286 KB

## Abstract 9‐Hydroxy‐ellipticine (^14^C‐1), specific activity: 2,13 mCi/mM, has been synthesized for molecular biology and cancer research, from N‐methyl‐formanilide (^14^C‐formyl). The radioactive overall yield was 13,5% based on sodium formate ^14^C.