N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-A][1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide, a dual modulator of chemokine receptor activity, crystalline forms and processes
A technology of crystal form and compound, applied in the field of preparing formula compound, solvate or prodrug
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[0064] In one embodiment, the present invention relates to N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1, 5-a][1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide:
[0065]
[0066] and its medicinal salts.
[0067] Another embodiment is N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a] Crystalline form of [1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide.
[0068] Another embodiment is N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a] A crystal form of [1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide, wherein the crystal form comprises N-1 and / or P-1 crystal form.
[0069] Another embodiment is N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a] A crystal form of [1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide, wherein the crystal form comprises N-1 crystal form.
[0070] Another embodiment is N-((1R,2S,5R)-5-(ter...
Embodiment 1
[0247] N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a][1,3, 5] Triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide
[0248]
[0249] Example 1, Step 1: Add hemicarbazide hydrochloride (100.0 g, 0.89 mol), pivaloyl acetonitrile (112.2 g, 0.89 mol) and ethanol (1 L ). After the addition was complete, the reaction mixture was cooled to 12-15°C and anhydrous sodium acetate (73.5 g, 0.89 mol) was added. The addition of anhydrous sodium acetate is endothermic, raising the temperature to 22-25°C. The reaction mixture was maintained at 22-25°C and stirred for 60-90 minutes. Then, analysis of the reaction mixture by HPLC indicated complete formation of the hydrazone intermediate.
[0250] Example 1, Step 2: The reaction mixture was then heated to 68 to 72°C and trimethyl orthoformate (475.7 g, 4.48 mol) was added over a period of 5-10 minutes. The reaction mixture was cooled to 40-45°C, then acetic acid (53.8 g, 0.89 mol) was added over a period...
Embodiment 2
[0255] Tritiated N-((1R,2S,5R)-5-(tert-butylamino)-2-((S)-3-(7-tert-butylpyrazolo[1,5-a][ 1,3,5]triazin-4-ylamino)-2-oxopyrrolidin-1-yl)cyclohexyl)acetamide
[0256]
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