3-Hydrazino-6,7-dihydro-5h-benzo[6,7]cyclohepta[1,2-c]pyridazine → 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N3-(5',5'-dimethyl-6,8,9,10-tetrahydro-5H-spiro[cycloocta[b]pyridine-7,2'-[1,3]dioxane]-3-yl)-1H-1,2,4-triazole-3,5-diamine

HRID 1749342Notes

Reaction equation

HRID 1749342 reaction equation
[C:1]([N:3]=[C:4]([O-])[NH:5][C:6]1[CH:7]=[C:8]2[CH2:24][CH2:23][C:15]3([O:20][CH2:19][C:18]([CH3:22])([CH3:21])[CH2:17][O:16]3)[CH2:14][CH2:13][CH2:12][C:9]2=[N:10][CH:11]=1)#[N:2].[N:26]1[C:31]2[C:32]3[CH:40]=[CH:39][CH:38]=[CH:37][C:33]=3[CH2:34][CH2:35][CH2:36][C:30]=2[CH:29]=[C:28]([NH:41][NH2:42])[N:27]=1>C(O)(C)C>[N:26]1[C:31]2[C:32]3[CH:40]=[CH:39][CH:38]=[CH:37][C:33]=3[CH2:34][CH2:35][CH2:36][C:30]=2[CH:29]=[C:28]([N:41]2[C:1]([NH2:2])=[N:3][C:4]([NH:5][C:6]3[CH:7]=[C:8]4[CH2:24][CH2:23][C:15]5([O:20][CH2:19][C:18]([CH3:21])([CH3:22])[CH2:17][O:16]5)[CH2:14][CH2:13][CH2:12][C:9]4=[N:10][CH:11]=3)=[N:42]2)[N:27]=1

Participants

4

Reactant 2

HCID 592955463-Hydrazino-6,7-dihydro-5h-benzo[6,7]cyclohepta[1,2-c]pyridazineHCID 178428806HCID 178428806, compound

Product 1

HCID 671040171-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N3-(5',5'-dimethyl-6,8,9,10-tetrahydro-5H-spiro[cycloocta[b]pyridine-7,2'-[1,3]dioxane]-3-yl)-1H-1,2,4-triazole-3,5-diamine

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Conditions

Temperature
150 °C

Procedure

A mixture of N′-cyano-N-(5′,5′-dimethyl-6,8,9,10-tetrahydro-5H-spiro[cycloocta[b]pyridine-7,2′-[1,3]dioxane]-3-yl)carbamimidate (120 mg, 0.286 mmol) and (6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)hydrazine (65 mg, 0.286 mmol) in isopropyl alcohol (2 mL) was heated in microwave at 150° C. for 20 min, filtered, and washed with isopropanol to give 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N3-(5′,5′-dimethyl-6,8,9,10-tetrahydro-5H-spiro[cycloocta[b]pyridine-7,2′-[1,3]dioxane]-3-yl)-1H-1,2,4-triazole-3,5-diamine, compound #247 (55 mg, 35%); 1H NMR (DMSO-d6, 300 MHz) 9.22 (s, 1H), 8.72 (d, 1H), 7.94 (s, 1H), 7.88 (s, 2H), 7.13 (m, 1H), 7.62 (d, 1H), 7.44 (m, 2H), 7.36 (m, 1H), 3.42 (s, 4H), 2.82 (t, 2H), 2.71 (m, 2H), 2.25 (m, 2H), 1.97 (d, 2H), 1.69 (m, 2H), 1.52 (m, 2H), 1.02 (d, 4H), 0.88 (d, 6H) ppm; MS (ES) 553.28 (M+H).

Workup

  1. filtrationfiltered
  2. washwashed with isopropanol

Sources & evidence

ORD record
ord-805c302b098548fcad474a13f69b40f8
Source dataset
uspto-grants-2015_10
Patent number
US09156820B2

Reaction notes

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