Compounds with bridgehead nitrogen. Part 47. The reaction between trans-1-aminobenzocycloalkan-2-ols and formaldehyde

Compounds with bridgehead nitrogen. 50—1

Compounds with bridgehead nitrogen. 50—1H NMR spectra and structures of the products derived from the reaction between trans-3-aminotetralin-2-ol and formaldehyde

✍ Trevor A. Crabb; Olive G. Roch; Paul Robinson 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 389 KB

In contrast to the reported reaction between trans-l-aminotetralin-2-01 and formaldehyde, which gives r-6a, c-9a,t-15a,t-18a-5,6,6a,9a,14,15,15a,18a-o~ahy~o-9,18-me~~odinaphtho [ 1,2-d: 1',2'-i] [1,6,3,8]dioxadiazecine, an examination of the 6 4.0-5.0 region of the 'H NMR spectra of the products of

1H NMR spectra and the structure of the

1H NMR spectra and the structure of the products of reaction between trans-1-N-alkylaminotetralin-2-ols, trans-3-N-alkylaminotetralin-2-ols and formaldehyde

✍ Trevor A. Crabb; Paul Robinson 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 515 KB

huns-l-N-Alkylaminotetralin-2-ols condense with formaldehyde to form the expected truns-(H3a, H-9b)-Nalkyl-1,2,3a,4,5,9b-hexahydronaphtho[l,2-d][l,3]oxazoles. On allowing solutions of these compounds in deuteriochloroform to stand for several hours a mixture of the original oxazole, together with a

Bridgehead nitrogen heterocycles. VI. Th

Bridgehead nitrogen heterocycles. VI. The reaction of 1-amino- and 1,2-diaminopyridinium salts with β-dicarbonyl compounds

✍ K. T. Potts; R. Dugas; C. R. Surapaneni 📂 Article 📅 1973 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 480 KB

Compounds with bridgehead nitrogen. Part

Compounds with bridgehead nitrogen. Part 64—conformational equilibria in the 6-p-nitrophenylperhydrodipyrido[1,2-c: 2′,1′-e]imidazoles

✍ Lee Banting; Trevor A. Crabb 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 358 KB

## Abstract The effect of 6‐substitution on the conformational equilibria of the perhydrodipyrido[1,2‐__c__:2′,1′‐__e__]imidazoles has been investigated. __r__‐6H,__t__‐11a,__t__‐11b‐6‐__p__‐Nitrophenylperhydrodipyrido[1,2‐__c__:2′,1′‐__e__]imidazole was found to exist as a pair of enantiomeric non

Proton magnetic resonance studies of com

Proton magnetic resonance studies of compounds with bridgehead nitrogen. Part 39. Stereochemistry of perhydropyrido[3,2,1-ij][3,1]benzoxazines and the conformational equilibrium for perhydropyrido[1,2-c][1,3]oxazine

✍ Crabb, Trevor A.; Turner, Christopher H. 📂 Article 📅 1980 🏛 Royal Society of Chemistry 🌐 English ⚖ 581 KB

Proton magnetic resonance studies of com

Proton magnetic resonance studies of compounds with bridgehead nitrogen. Part 39. Stereochemistry of perhydropyrido[3,2,1-ij][3,1]benzoxazines and the conformational equilibrium for perhydropyrido[1,2-c][1,3]oxazine

✍ Crabb, Trevor A.; Turner, Christopher H. 📂 Article 📅 1980 🏛 Royal Society of Chemistry 🌐 English ⚖ 581 KB