Quaternary heteroatom containing compounds

US10906875B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10906875-B2
Application numberUS-201916427629-A
CountryUS
Kind codeB2
Filing dateMay 31, 2019
Priority dateJun 24, 2011
Publication dateFeb 2, 2021
Grant dateFeb 2, 2021

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  4. Key dates

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  5. First independent claim

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Abstract

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The invention provides heterocyclic compounds with quaternary centers and methods of preparing compounds. Methods include the method for the preparation of a compound of Formula (II): comprising treating a compound of Formula (I): with a transition metal catalyst and under alkylation conditions as valence and stability permit.

First claim

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What is claimed is: 1. A method of synthesizing a pharmaceutical compound comprising treating a compound of Formula (III): with a transition metal catalyst under alkylation conditions, thereby forming a compound of Formula (IV): wherein the compound of Formula (IV) comprises one of a (+) enantiomer or a (−) enantiomer in an enantiomeric excess of greater than 50%, wherein the transition metal catalyst is selected from Mo(CO) 6 , Mo(MeCN) 3 (CO) 3 , W(CO) 6 , W(MeCN) 3 (CO) 3 , [Ir(1,5-cyclooctadiene)Cl] 2 , [Ir(1,5-cyclooctadiene)Cl] 2 , [Ir(1,5-cyclooctadiene)Cl] 2 , Rh(PPh 3 ) 3 Cl, [Rh(1,5-cyclooctadiene)Cl] 2 , Ru(pentamethylcyclopentadienyl)(MeCN)3PF 6 , Ni(1,5-cyclooctadiene) 2 , Ni[P(OEt) 3 ] 4 , tris(dibenzylideneacetone)dipalladium(0), tris(dibenzylideneacetone)dipalladium(0)-chloroform adduct, bis(4-methoxybenzylidene)acetone)dipalladium(0), Pd(OC(═O)CH 3 ) 2 , Pd(3,5-dimethyoxy-dibenzylideneacetone) 2 , PdCl 2 (R 23 CN) 2 ; PdCl 2 (PR 24 R 25 R 26 ) 2 ; [Pd(η 3 -allyl)Cl] 2 ; and Pd(PR 24 R 25 R 26 ) 4 , wherein R 23 , R 24 , R 25 , and R 26 are independently selected from H, alkyl, alkenyl, alkynyl, carbocycle, substituted hydrocarbyl, heteroatom-containing hydrocarbyl, and substituted heteroatom-containing hydrocarbyl, allylchloro[1,3-bis(2,6-di-i-propylphenyl)imidazol-2-ylidene]palladium(II-), ([2S,3S]-bis[diphenylphosphino]butane)(η 3 -allyl)palladium(II) perchlorate, [S]-4-tert-butyl-2-(2-diphenylphosphanyl-phenyl)-4,5-dihydro-oxazole(η- 3 -allyl)palladium(II) hexafluorophosphate, [Pd(S-tBu-PHOX)(allyl)]PF 6 , and cyclopentadienyl(η 3 -allyl) palladium(II); wherein, as valence and stability permit, X is selected from —NR 6 — and —O—; Z is selected from —C(O)— and —CR 7 R 7 —; A is independently selected at each occurrence from —CR 8 R 8 — and —NR 9 —; W is absent or selected from —O—, —NR 10 —, and —CR 11 R 11 —; R 1 is selected from optionally substituted alkyl, alkenyl, alkynyl, carbocyclyl, heterocycle, aryl, heteroaryl, and halogen; R 2 , R 3 , R 4 , R 5 , R 12 , R 13 , R 14 , and R 15 are independently selected at each occurrence from hydrogen, hydroxyl, halogen, nitro, alkyl, alkenyl, alkynyl, cyano, carboxyl, sulfate, amino, alkoxy, alkylamino, alkylthio, hydroxyalkyl, alkoxyalkyl, aminoalkyl, thioalkyl, ether, thioether, ester, amide, thioester, carbonate, carbamate, urea, sulfonate, sulfone, sulfoxide, sulfonamide, acyl, acyloxy, acylamino, aryl, heteroaryl, carbocyclyl, heterocyclyl, aralkyl, aralkyloxy, hetaralkyl, carbocyclylalkyl, and heterocyclylalkyl; R 7 , R 8 , and R 11 are independently selected at each occurrence from hydrogen, halogen, nitro, alkyl, alkenyl, alkynyl, cyano, hydroxyl, thiol, carboxyl, sulfate, amino, alkoxy, alkylamino, alkylthio, hydroxyalkyl, alkoxyalkyl, aminoalkyl, thioalkyl, ether, thioether, ester, amide, thioester, carbonate, carbamate, urea, sulfonate, sulfone, sulfoxide, sulfonamide, acyl, acyloxy, acylamino, aryl, heteroaryl, carbocyclyl, heterocyclyl, aralkyl, aralkyloxy, hetaralkyl, carbocyclylalkyl, and heterocyclylalkyl; wherein R 7 and R 8 may combine with the carbons to which they are bound to form an optionally substituted 3-8-membered ring, R 8 and R 11 may combine with the carbons to which they are bound to form an optionally substituted 3-8-membered ring, and when n is 2 or 3, R 8 attached to one carbon may combine with R 8 attached to another carbon to combine with the carbons to which they are bound to form a 3-8-membered ring; R 6 , R 9 and R 10 are independently selected at each occurrence from hydrogen, hydroxyl and optionally substituted alkyl, alkoxy, alkylthio, aryloxy, carbocyclyl, aryl, heteroaryl, aralkyl, heteroaralkyl, aralkyloxy, heteroaryloxy, acyl, arylcarbonyl, aralkylcarbonyl, acyloxy, sulfone, alkoxycarbonyl, aryloxycarbonyl, aralkoxycarbonyl, and amide; and n is 0-3. 2. The method of claim 1 , wherein: X is —NR 6 —; A at each occurrence is —CR 8 R 8 —; W is selected from —NR 10 — and —CR 11 R 11 —; and n is 0-2. 3. The method of claim 1 , wherein: X is —O—; A at each occurrence is —CR 8 R 8 —; W is selected from —NR 10 —, and —CR 11 R 11 —; and n is 0-2. 4. The method of claim 1 , wherein the method further comprises a chiral ligand. 5. A method comprising treating a compound of Formula (III): with a transition metal catalyst under alkylation conditions, wherein the transition metal catalyst is selected from Mo(CO) 6 , Mo(MeCN) 3 (CO) 3 , W(CO) 6 , W(MeCN) 3 (CO) 3 , [Ir(1,5-cyclooctadiene)Cl] 2 , [Ir(1,5-cyclooctadiene)Cl] 2 , [Ir(1,5-cyclooctadiene)Cl] 2 , Rh(PPh 3 ) 3 Cl, [Rh(1,5-cyclooctadiene)Cl] 2 , Ru(pentamethylcyclopentadienyl)(MeCN)3PF 6 , Ni(1,5-cyclooctadiene)2, Ni[P(OEt) 3 ] 4 , tris(dibenzylideneacetone)dipalladium(0), tris(dibenzylideneacetone)dipalladium(0)-chloroform adduct, bis(4-methoxybenzylidene)acetone)dipalladium(0), Pd(OC(═O)CH 3 ) 2 , Pd(3,5-dimethyoxy-dibenzylideneacetone) 2 , PdCl 2 (R 23 CN) 2 ; PdCl 2 (PR 24 R 25 R 26 ) 2 ; [Pd(η 3 -allyl)Cl] 2 ; and Pd(PR 24 R 25 R 26 ) 4 , wherein R 23 , R 24 , R 25 , and R 26 are independently selected from H, alkyl, alkenyl, alkynyl, carbocycle, substituted hydrocarbyl, heteroatom-containing hydrocarbyl, and substituted heteroatom-containing hydrocarbyl, allylchloro[1,3-bis(2,6-di-i-propylphenyl)imidazol-2-ylidene]palladium(II-), ([2S,3S]-bis[diphenylphosphino]butane)(η 3 -allyl)palladium(II) perchlorate, [S]-4-tert-butyl-2-(2-diphenylphosphanyl-phenyl)-4,5-dihydro-oxazole(η- 3 -allyl)palladium(II) hexafluorophosphate, [Pd(S-tBu-PHOX)(allyl)]PF 6 , and cyclopentadienyl(η 3 -allyl) palladium(II); wherein, as valence and stability permit, X is selected from —NR 6 — and —O—; Z is selected from —C(O)— and —CR 7 R 7 —; A is independently selected at each occurrence from —CR 8 R 8 — and —NR 9 —; W is absent or selected from —O—, —NR 10 —, and —CR 11 R 11 —; R 1 is selected from optionally substituted alkyl, alkenyl, alkynyl, carbocyclyl, heterocycle, aryl, heteroaryl, and halogen; R 2 , R 3 , R 4 , R 5 , R 12 , R 13 , R 14 , and R 15 are independently selected at each occurrence from hydrogen, hydroxyl, halogen, nitro, alkyl, alkenyl, alkynyl, cyano, carboxyl, sulfate, amino, alkoxy, alkylamino, alkylthio, hydroxyalkyl, alkoxyalkyl, aminoalkyl, thioalkyl, ether, thioether, ester, amide, thioester, carbonate, carbamate, urea, sulfonate, sulfone, sulfoxide, sulfonamide, acyl, acyloxy, acylamino, aryl, heteroaryl, carbocyclyl, heterocyclyl, aralkyl, aralkyloxy, hetaralkyl, carbocyclylalkyl, and heterocyclylalkyl; R 7 , R 8 , and R 11 are independently selected at each occurrence from hydrogen, halogen, nitro, alkyl, alkenyl, alkynyl, cyano, hydroxyl, thiol, carboxyl, sulfate, amino, alkoxy, alkylamino, alkylthio, hydroxyalkyl, alkoxyalkyl, aminoalkyl, thioalkyl, ether, thioether, ester, amide, thioester, carbonate, carbamate, urea, sulfonate, sulfone, sulfoxide, sulfonamide, acyl, acyloxy, acylamino, aryl, heteroaryl, carbocyclyl, heterocyclyl, aralkyl, aralkyloxy, hetaralkyl, carbocyclylalkyl, and heterocyclylalkyl; wherein R 7 and R 8 may combine with the carbons to which they are bound to form an optionally substituted 3-8-membered ring, R 8 and R 11 may combine with the carbons to which they are bound to form an optionally substituted 3-8-membered ring, and when n is 2 or 3, R 8 attached to one carbon may combine with R 8 attached to another ca

Assignees

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Classifications

  • C07D211/78Primary

    Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen · CPC title

  • with substituted hydrocarbon radicals attached to ring carbon atoms · CPC title

  • with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms · CPC title

  • Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals · CPC title

  • with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom · CPC title

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What does patent US10906875B2 cover?
The invention provides heterocyclic compounds with quaternary centers and methods of preparing compounds. Methods include the method for the preparation of a compound of Formula (II): comprising treating a compound of Formula (I): with a transition metal catalyst and under alkylation conditions as valence and stability permit.
Who is the assignee on this patent?
California Inst Of Techn
What technology area does this patent fall under?
Primary CPC classification C07D211/78. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Feb 02 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 11 related publications on this page (citations in our corpus or others sharing the same primary CPC).