In a similar condensation of bromomesaconic ester 1 with the pyrrolidinenamine of
cyclohexanone, 4 there was produced a 76% yield of a bicyclononanone diester [II; Ci3H1805; bp …

Many derivatives and analogs of the natural vitamin A compounds have been synthesized,
and some of these retinoids are very active in various bioassays that may be predictive for …

Ha 1-* HI extinction coefficients (e) at the absorption maxima of 2-azahypoxanthine, V-methylaniline,
and solu-tions of XIII showed that the sums of the e values of 2-azahypoxanthine …

The racemic forms of the carbocyclic (cyclopentane) analogs of adenosine, inosine, 6-mercaptopurine
ribonucleoside, and 6-(methylthio) purine ribonucleoside were synthesized from (…

The initial product of the diazotization of 5 (or 4)-aminoimidazole-4-(or 5 [-carboxamide has
been isolated and shown to be 5-diazoimidazole-4-carboxamide. The diazo derivative, …

In 1945, Stetten and Fox (1) isolated a heterocyclic amine that accumulated (1, 2) during
sulfonamide bacteriostasis of Escherichia coli and also detected this compound in sulfonamide-…

A series of experiments was conducted to determine the efficacy of 15 synthetic retinoic acid
amides (retinamides) as inhibitors of chemical carcinogenesis of the urinary bladder in …

Carbocyclic analogues of S'-deoxyuridines, 3'-deoxyuridines, and uridines with substituents
at position 5 of the uracil moiety were prepared by direct halogenation (5-bromo and 5-iodo …

Certain thiol-containing compounds catalyze, in a chemical reaction, the isomerization of 9-cis-retinoic
acid to a mixture of all-trans-retinoic acid, 9-cis-retinoic acid, 13-cis-retinoic acid, …

Abstract Treatment of the required hydroxyl derivatives of cis‐3‐aminocyclopentanemethanol
with 3‐ethoxyacryloyl isocyanate gave N‐(3‐ethoxyacryloyl)‐N′‐[hydroxy‐ or dihydroxy(…