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【结 构 式】

【分子编号】29496

【品名】thieno[3,2-b]pyridine-2-sulfonyl chloride

【CA登记号】

【 分 子 式 】C7H4ClNO2S2

【 分 子 量 】233.699

【元素组成】C 35.98% H 1.73% Cl 15.17% N 5.99% O 13.69% S 27.44%

与该中间体有关的原料药合成路线共 4 条

合成路线1

该中间体在本合成路线中的序号:(X)

The reaction of 3-(4-methylphenyl)-2-propenoic acid (I) with ethyl chloroformate or with SOCl2 and then with sodium azide gives the corresponding azide (II), which is cyclized termally yielding 7-methylisoquinolin-1(2H)-one (III). The reaction of (III) with refluxing POCl3 affords 1-chloro-7-methylisoquinoline (IV), which is brominated with NBS and benzoyl peroxide in refluxing CCl4 giving the bromomethyl derivative (V). The condensation of (V) with 3(S)-(tert-butoxycarbonylamino)pyrrolidin-2-one (VI) (obtained by cyclization of the diaminobutyric acid (VII) by means of HOBT in THF) by means of NaH in THF/DMF yields the N-substituted pyrrolidone (VIII), which is deprotected with HCl affording the 3(S)-aminopyrrolidone (IX). The acylation of (IX) with thieno [3,2-b]pyridine-2-sulfonyl chloride (X) by means of triethylamine in acetonitrile gives the sulfonamide (XI), which is finally treated with ammonium acetate in hot phenol. The intermediate sulfonyl chloride (X) has been obtained as follows: The reaction of 2-ethynylpyridine (XII) with benzylthiol and sodium ethoxide in ethanol gives 2-[2-(benzylsulfanyl)vinyl]pyridine (XIII), which is cyclized at 625 C yielding thieno[3,2-bpyridine (XIV). Finally, this compound is chlorosulfonated by reaction with BuLi, SO2 and SO2Cl2 in THF.

1 Guo, L.; Pan, Y.; Rohrer, S.; Schaeffer, J.; patchett, A.A.; Mosley, R.; Yang, L.; Pastemak, A.; Birzin, E.; 2,4-Bis(aminomethyl)pyridine derived highly potent and selective human somatostatin receptor subtype-2 (hsst2) agonists. 217th ACS Natl Meet (March 21 1999, Anaheim) 1999, Abst MEDI 141.
2 Choi-Sledeski, Y.M.; Pauls, H.W.; Green, D.M.; Barton, J.N.; Becker, M.R.; Ewing, W.R. (Aventis Pharmaceuticals, Inc.); Sulfonic acid or sulfonylamino N-(heteroaralkyl)-azaheterocyclylamide cpds.. EP 0944386; WO 9825611 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 29487 (E)-3-(4-methylphenyl)-2-propenoic acid 1866-39-3 C10H10O2 详情 详情
(II) 29488 (E)-3-(4-methylphenyl)-2-propenoyl azide C10H9N3O 详情 详情
(III) 29489 7-methyl-1(2H)-isoquinolinone C10H9NO 详情 详情
(IV) 29490 1-chloro-7-methylisoquinoline C10H8ClN 详情 详情
(V) 29491 7-(bromomethyl)-1-chloroisoquinoline C10H7BrClN 详情 详情
(VI) 29492 tert-butyl (3S)-2-oxopyrrolidinylcarbamate C9H16N2O3 详情 详情
(VII) 29493 (2S)-4-amino-2-[(tert-butoxycarbonyl)amino]butyric acid C9H18N2O4 详情 详情
(VIII) 29494 tert-butyl (3S)-1-[(1-chloro-7-isoquinolinyl)methyl]-2-oxopyrrolidinylcarbamate C19H22ClN3O3 详情 详情
(IX) 29495 (3S)-3-amino-1-[(1-chloro-7-isoquinolinyl)methyl]-2-pyrrolidinone C14H14ClN3O 详情 详情
(X) 29496 thieno[3,2-b]pyridine-2-sulfonyl chloride C7H4ClNO2S2 详情 详情
(XI) 29497 N-[(3S)-1-[(1-chloro-7-isoquinolinyl)methyl]-2-oxopyrrolidinyl]thieno[3,2-b]pyridine-2-sulfonamide C21H17ClN4O3S2 详情 详情
(XII) 29498 2-ethynylpyridine 1945-84-2 C7H5N 详情 详情
(XIII) 29499 benzyl (Z)-2-(2-pyridinyl)ethenyl sulfide; 2-[(Z)-2-(benzylsulfanyl)ethenyl]pyridine C14H13NS 详情 详情
(XIV) 29500 thieno[3,2-b]pyridine C7H5NS 详情 详情

合成路线2

该中间体在本合成路线中的序号:(XIII)

The reaction of 3-acetamido-4-methylbenzaldehyde (I) with malonic acid by means of piperidine in hot pyridine gives 3-(3-acetamido-4-methylphenyl)-2(E)-propenoic acid (II), which by reaction first with ethyl chloroformate and then with sodium azide yields the corresponding azide (III). The thermal cyclizaton of (III) affords the isoquinolinone (IV), which is treated with HCl in refluxing ethanol to give 6-amino-7-methylisoquinolin-1(2H)-one (V). The reaction of (V) with refluxing POCl3 yields the 1-chloroisoquinoline (VI), which is protected by reaction with phenzophenoneimine and HCl in methanol to afford 1-chloro-6-(diphenylmethyleneamino)-7-metylisoquinoline (VII). The bromination of (VII) with NBS and benzoyl peroxide in refluxing CCl4 gives the bromomethyl derivative (VIII), which is condensed with 3(S)-(tert-butoxycarbonylamino)pyrrolidin-2-one (IX) (obtained by cyclization of the diaminobutyric acid (X) by means of HOBT in THF) by means of NaH in THF/DMF yielding the N-substituted pyrrolidone (XI). The deprotection of (XI) with HCl afford the diamino intermediate (XII), which is selectively acylated with thieno[3,2-b]pyridine-2-sulfonyl chloride (XIII) by means of triethylamine in acetonitrile giving the sulfonamidde (XIV). Finally, this compound is treated with ammonium acetate in hot phenol. The intermediate sulfonyl chloride (XIII) has been obtained as follows: The reaction of 2-ethynylpyridine (XV) with benzylthiol and sodium ethoxide in ethanol gives 2-[2-(benzylsulfanyl)vinyl]pyridine (XVI), which is cyclized at 625 C yielding thieno[3,2-bpyridine (XVII). Finally, this compound is chlorosulfonated by reaction with BuLi, SO2 and SO2Cl2 in THF.

1 Green, D.M.; Choi-Sledeski, Y.M.; Becker, M.R.; et al.; Aminoisoquinolines: Design and synthesis of an orally active benzamidine isostere for the inhibition of factor Xa. Bioorg Med Chem Lett 1999, 9, 17, 2539.
2 Choi-Sledeski, Y.M.; Pauls, H.W.; Green, D.M.; Barton, J.N.; Becker, M.R.; Ewing, W.R. (Aventis Pharmaceuticals, Inc.); Sulfonic acid or sulfonylamino N-(heteroaralkyl)-azaheterocyclylamide cpds.. EP 0944386; WO 9825611 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
12963 Malonic acid 141-82-2 C3H4O4 详情 详情
32024 diphenylmethanimine 1013-88-3 C13H11N 详情 详情
(I) 29501 N-(5-formyl-2-methylphenyl)acetamide C10H11NO2 详情 详情
(II) 29502 (E)-3-[3-(acetamido)-4-methylphenyl]-2-propenoic acid C12H13NO3 详情 详情
(III) 29503 (E)-3-[3-(acetamido)-4-methylphenyl]-2-propenoyl azide C12H12N4O2 详情 详情
(IV) 29504 N-(7-methyl-1-oxo-1,2-dihydro-6-isoquinolinyl)acetamide C12H12N2O2 详情 详情
(V) 29505 6-amino-7-methyl-1(2H)-isoquinolinone C10H10N2O 详情 详情
(VI) 29506 1-chloro-7-methyl-6-isoquinolinylamine; 1-chloro-7-methyl-6-isoquinolinamine C10H9ClN2 详情 详情
(VII) 29507 N-(1-chloro-7-methyl-6-isoquinolinyl)-N-(dibenzylene)amine; 1-chloro-N-(dibenzylene)-7-methyl-6-isoquinolinamine C23H17ClN2 详情 详情
(VIII) 29508 N-[7-(bromomethyl)-1-chloro-6-isoquinolinyl]-N-(dibenzylene)amine; 7-(bromomethyl)-1-chloro-N-(dibenzylene)-6-isoquinolinamine C23H16BrClN2 详情 详情
(IX) 29492 tert-butyl (3S)-2-oxopyrrolidinylcarbamate C9H16N2O3 详情 详情
(X) 29493 (2S)-4-amino-2-[(tert-butoxycarbonyl)amino]butyric acid C9H18N2O4 详情 详情
(XI) 29509 tert-butyl (3S)-1-([1-chloro-6-[(dibenzylene)amino]-7-isoquinolinyl]methyl)-2-oxopyrrolidinylcarbamate C32H31ClN4O3 详情 详情
(XII) 29510 (3S)-3-amino-1-[(6-amino-1-chloro-7-isoquinolinyl)methyl]-2-pyrrolidinone C14H15ClN4O 详情 详情
(XIII) 29496 thieno[3,2-b]pyridine-2-sulfonyl chloride C7H4ClNO2S2 详情 详情
(XIV) 29511 N-[(3S)-1-[(6-amino-1-chloro-7-isoquinolinyl)methyl]-2-oxopyrrolidinyl]thieno[3,2-b]pyridine-2-sulfonamide C21H18ClN5O3S2 详情 详情
(XV) 29498 2-ethynylpyridine 1945-84-2 C7H5N 详情 详情
(XVI) 29499 benzyl (Z)-2-(2-pyridinyl)ethenyl sulfide; 2-[(Z)-2-(benzylsulfanyl)ethenyl]pyridine C14H13NS 详情 详情
(XVII) 29500 thieno[3,2-b]pyridine C7H5NS 详情 详情

合成路线3

该中间体在本合成路线中的序号:(VII)

3-(tert-Butoxycarbonylamino)-2-pyrrolidinone (II), obtained by cyclization of (S)-Boc-2,4-diaminobutyric acid (I) in the presence of EDC, was regioselectively alkylated with propargyl bromide and NaH to give the N-propargyl pyrrolidinone (III). Subsequent acid-promoted deprotection of the Boc group of (III) provided aminopyrrolidinone (IV). Sulfonyl chloride (VII) was prepared by lithiation of thienopyridine (V), followed by addition of SO2, and further chlorination of the resulting sulfinic acid (VI) with sulfuryl chloride. This sulfonyl chloride (VII) was then coupled with aminopyrrolidinone (III), yielding sulfonamide (VIII). Lithiation of 3-(tert-butoxycarbonylamino)pyridine (IX) and subsequent treatment with iodine in cold THF provided the iodopyridine derivative (X). Palladium-mediated coupling of (X) with propargyl pyrrolidinone (VIII) furnished adduct (XI), which was cyclized to the pyrrolopyridine system (XII) upon treatment with DBU. Finally, the Boc protecting group of (XII) was removed using trifluoroacetic acid.

1 Choi-Sledeski, Y.M.; Becker, M.R.; Pauls, H.W.; et al.; Azaindole pyrrolidinone inhibitors of factor Xa: SAR, synthesis, and X-ray crystal structure of a novel surrogate for basic P1 moieties. 218th ACS Natl Meet (Aug 22 1999, New Orleans) 1999, Abst MEDI 33.
2 Choi-Sledeski, Y.M.; Pauls, H.W.; Green, D.M.; Barton, J.N.; Becker, M.R.; Ewing, W.R. (Aventis Pharmaceuticals, Inc.); Sulfonic acid or sulfonylamino N-(heteroaralkyl)-azaheterocyclylamide cpds.. EP 0944386; WO 9825611 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
11176 3-Bromopropyne; 3-Bromo-1-propyne 106-96-7 C3H3Br 详情 详情
(I) 29493 (2S)-4-amino-2-[(tert-butoxycarbonyl)amino]butyric acid C9H18N2O4 详情 详情
(II) 29492 tert-butyl (3S)-2-oxopyrrolidinylcarbamate C9H16N2O3 详情 详情
(III) 35566 tert-butyl (3S)-2-oxo-1-(2-propynyl)pyrrolidinylcarbamate C12H18N2O3 详情 详情
(IV) 35567 (3S)-3-amino-1-(2-propynyl)-2-pyrrolidinone C7H10N2O 详情 详情
(V) 29500 thieno[3,2-b]pyridine C7H5NS 详情 详情
(VI) 35568 thieno[3,2-b]pyridine-2-sulfonic acid C7H5NO3S2 详情 详情
(VII) 29496 thieno[3,2-b]pyridine-2-sulfonyl chloride C7H4ClNO2S2 详情 详情
(VIII) 35569 N-[(3S)-2-oxo-1-(2-propynyl)pyrrolidinyl]thieno[3,2-b]pyridine-2-sulfonamide C14H13N3O3S2 详情 详情
(IX) 35570 tert-butyl 3-pyridinylcarbamate 56700-70-0 C10H14N2O2 详情 详情
(X) 35571 tert-butyl 4-iodo-3-pyridinylcarbamate C10H13IN2O2 详情 详情
(XI) 35572 tert-butyl 4-(3-[(3S)-2-oxo-3-[(thieno[3,2-b]pyridin-2-ylsulfonyl)amino]pyrrolidinyl]-1-propynyl)-3-pyridinylcarbamate C24H25N5O5S2 详情 详情
(XII) 35573 tert-butyl 2-([(3S)-2-oxo-3-[(thieno[3,2-b]pyridin-2-ylsulfonyl)amino]pyrrolidinyl]methyl)-1H-pyrrolo[2,3-c]pyridine-1-carboxylate C24H25N5O5S2 详情 详情

合成路线4

该中间体在本合成路线中的序号:(VII)

N-alkylation of (S)-3-(benzyloxycarbonylamino)-2-pyrrolidinone (XIII) with propargyl bromide produced (XIV). Palladium-mediated coupling (XIV) with iodopyridine (X) gave adduct (XV), which was cyclized to the pyrrolopyridine (XVI) by means of DBU. The benzyloxycarbonyl protecting group of (XVI) was removed by transfer catalytic hydrogenolysis with formic acid, and the deprotected amine (XVII) was then condensed with sulfonyl chloride (VII) to furnish sulfonamide (XII). Deprotection of the Boc group of (XII) as above gave rise to the title compound.

1 Choi-Sledeski, Y.M.; Becker, M.R.; Pauls, H.W.; et al.; Azaindole pyrrolidinone inhibitors of factor Xa: SAR, synthesis, and X-ray crystal structure of a novel surrogate for basic P1 moieties. 218th ACS Natl Meet (Aug 22 1999, New Orleans) 1999, Abst MEDI 33.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
11176 3-Bromopropyne; 3-Bromo-1-propyne 106-96-7 C3H3Br 详情 详情
(VII) 29496 thieno[3,2-b]pyridine-2-sulfonyl chloride C7H4ClNO2S2 详情 详情
(X) 35571 tert-butyl 4-iodo-3-pyridinylcarbamate C10H13IN2O2 详情 详情
(XII) 35573 tert-butyl 2-([(3S)-2-oxo-3-[(thieno[3,2-b]pyridin-2-ylsulfonyl)amino]pyrrolidinyl]methyl)-1H-pyrrolo[2,3-c]pyridine-1-carboxylate C24H25N5O5S2 详情 详情
(XIII) 35574 benzyl (3S)-2-oxopyrrolidinylcarbamate C12H14N2O3 详情 详情
(XIV) 35575 benzyl (3S)-2-oxo-1-(2-propynyl)pyrrolidinylcarbamate C15H16N2O3 详情 详情
(XV) 35576 benzyl (3S)-1-(3-[3-[(tert-butoxycarbonyl)amino]-4-pyridinyl]-2-propynyl)-2-oxopyrrolidinylcarbamate C25H28N4O5 详情 详情
(XVI) 35577 tert-butyl 2-[((3S)-3-[[(benzyloxy)carbonyl]amino]-2-oxopyrrolidinyl)methyl]-1H-pyrrolo[2,3-c]pyridine-1-carboxylate C25H28N4O5 详情 详情
(XVII) 35578 tert-butyl 2-[[(3S)-3-amino-2-oxopyrrolidinyl]methyl]-1H-pyrrolo[2,3-c]pyridine-1-carboxylate C17H22N4O3 详情 详情
Extended Information