Ethyl 1-Ethyl-4-(4-(N-hydroxycarbamimidoyl)-1-methyl-1H-imidazol-5-yl)-1H-pyrrole-2-carboxylate

Ethyl 1-Ethyl-4-(4-(N-hydroxycarbamimidoyl)-1-methyl-1H-imidazol-5-yl)-1H-pyrrole-2-carboxylate, 12

hydroxyamidine 12 (58.2 g, 0.191 mol, 89% yield) as off-white plates (mp 226–229 °C): 

¹H NMR (400 MHz, DMSO-d₆) δ 9.15 (s, 1H), 7.67 (s, 1H), 7.50 (d, J = 1.8 Hz, 1H), 7.04 (d, J = 1.8 Hz, 1H), 5.33 (s, 2H), 4.32 (q, J = 7.1 Hz, 2H), 4.23 (q,J = 7.1 Hz, 2H), 1.34 (t, J = 7.1 Hz, 3H), 1.28 (t, J = 7.1 Hz, 3H);  

¹³C NMR (100 MHz, DMSO-d₆) δ 160.1, 148.0, 137.2, 130.9, 129.8, 123.8, 120.5, 118.8, 110.5, 59.5, 43.5, 32.2, 16.8, 14.3; 

HRMS-ESI (m/z) calcd for C₁₄H₂₀N₅O₃ [M + H]⁺ 306.1561, found 306.1551.

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Al-Qamishli القامشلي Qamişlo
City
Al-Qamishli
Al-Qamishli Location in Syria
Coordinates: 37°03′N 41°13′E
Country	Syria
Governorate	Al Hasakah
District	Al-Qamishli
Nahiyah	Al-Qamishli
Founded	1926
Population (2004)Census
• Total	184,231
Time zone	EET (UTC+2)
• Summer (DST)	+3 (UTC)
Area code(s)	52

 

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