Diisopropylethylamine → 10-[3-(3-Ethynyl-pyrrolidine-1-carbonyl)-azetidin-1-yl]-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohept[f]indene-7-carboxylic acid tert-butyl ester

HRID 528777Notes

Reaction equation

HRID 528777 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:28][CH2:27][C:12]2=[C:13]([N:20]3[CH2:23][CH:22]([C:24](O)=[O:25])[CH2:21]3)[N:14]3[C:18]([N:19]=[C:11]2[CH2:10][CH2:9]1)=[CH:17][CH:16]=[N:15]3)=[O:7])([CH3:4])([CH3:3])[CH3:2].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.CCN(C(C)C)C(C)C.FC(F)(F)C([O-])=O.[C:67]([CH:69]1[CH2:73][CH2:72][NH2+:71][CH2:70]1)#[CH:68]>CN1C(=O)CCC1>[C:1]([O:5][C:6]([N:8]1[CH2:28][CH2:27][C:12]2=[C:13]([N:20]3[CH2:21][CH:22]([C:24]([N:71]4[CH2:72][CH2:73][CH:69]([C:67]#[CH:68])[CH2:70]4)=[O:25])[CH2:23]3)[N:14]3[C:18]([N:19]=[C:11]2[CH2:10][CH2:9]1)=[CH:17][CH:16]=[N:15]3)=[O:7])([CH3:4])([CH3:3])[CH3:2]

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 6745686010-(3-Carboxy-azetidin-1-yl)-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohept[f]indene-7-carboxylic acid tert-butyl esterHCID 866671763-Ethynyl-pyrrolidinium trifluoro-acetate

Product 1

HCID 8666717710-[3-(3-Ethynyl-pyrrolidine-1-carbonyl)-azetidin-1-yl]-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohept[f]indene-7-carboxylic acid tert-butyl ester

Reagents, catalysts & solvents 1

HCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

To 150 mg (0.29 mmol) of 10-(3-Carboxy-azetidin-1-yl)-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohept[f]indene-7-carboxylic acid tert-butyl ester (as DIPEA salt) in 1.0 mL NMP was added 105 mg (0.33 mmol) TBTU and 120 μL (0.70 mmol) DIPEA and stirring was continued at room temperature for 1 h. Then 60.7 mg (0.29 mmol) of 3-Ethynyl-pyrrolidinium trifluoro-acetate was added and the reaction mixture was stirred overnight. The reaction mixture was filtered and the purified by HPLC.

Workup

  1. stirringthe reaction mixture was stirred overnight
  2. filtrationThe reaction mixture was filtered
  3. customthe purified by HPLC

Sources & evidence

ORD record
ord-b53a647acb7e4dfa920a0768ccc24a2b
Source dataset
uspto-grants-2016_05
Patent number
US09346816B2

Reaction notes

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