Detail of "3314-30-5"

CAS Number:
3314-30-5
Name:
1H-Benzimidazole-2-carboxaldehyde
Molecular Structure:
Formula:
C₈H₆N₂O
Molecular Weight:
146.15
Synonyms:
2-Benzimidazolecarboxaldehyde(6CI,7CI,8CI);2-Benzimidazolylformaldehyde;2-Formylbenzimidazole;Benzimidazole-2-carbaldehyde;NSC 26309;NSC 405912;
EINECS:
222-004-3
Density:
1.369 g/cm³
Melting Point:
224 °C
Boiling Point:
361.771 °C at 760 mmHg
Flash Point:
176.353 °C
Hazard Symbols:
Xi

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Benzimidazoles: Benzimidazoles. Part 2. A new synthesis of [1,2,4]triazino[4,5-a]benzimidazol-1-ones. Ellis, Gwynn P.; Wathey, W. Bernard (Dep. Appl. Chem., Univ. Wales Inst. Sci. Technol., Cardiff CF1 3XF, UK). J. Chem. Res., Synop. 3314-30-5 is also in the experiment., (12), 384-5 (English) 1984. CODEN: JRPSDC. ISSN: 0308-2342. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Treatment of 2-acetyl- or 2-formylbenzimidazole with H2NNHR (R = CO2Et, H) gave the corresponding hydrazones I (R as before, R1 = Me, H) which cyclized on heating with ClCO2Et in pyridine to give the title compds. II (R1 = Me, H, R2 = H) in 15-77% yield. 3314-30-5 which is the cas registry number of some chemical is mentioned. Similar cyclization of I (R = Ph, R1 = H, Me, Ph) gave the corresponding II (R1 as before, R2 = Ph) in 33-69% yield. ..

Benzimidazoles: Benzimidazoles. Part 2. A new synthesis of [1,2,4]triazino[4,5-a]benzimidazol-1-ones. Ellis, Gwynn P.; Wathey, W. Bernard (Dep. Appl. Chem., Univ. Wales Inst. Sci. Technol., Cardiff CF1 3XF, UK). J. Chem. Res., Synop. 3314-30-5 is also in the experiment., (12), 384-5 (English) 1984. CODEN: JRPSDC. ISSN: 0308-2342. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Treatment of 2-acetyl- or 2-formylbenzimidazole with H2NNHR (R = CO2Et, H) gave the corresponding hydrazones I (R as before, R1 = Me, H) which cyclized on heating with ClCO2Et in pyridine to give the title compds. II (R1 = Me, H, R2 = H) in 15-77% yield. 3314-30-5 which is the cas registry number of some chemical is mentioned. Similar cyclization of I (R = Ph, R1 = H, Me, Ph) gave the corresponding II (R1 as before, R2 = Ph) in 33-69% yield. ..