KR20030063430A - 술폰아미드 치환된 이미다조트리아지논의 제조 방법 - Google Patents
술폰아미드 치환된 이미다조트리아지논의 제조 방법 Download PDFInfo
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- KR20030063430A KR20030063430A KR10-2003-7008063A KR20037008063A KR20030063430A KR 20030063430 A KR20030063430 A KR 20030063430A KR 20037008063 A KR20037008063 A KR 20037008063A KR 20030063430 A KR20030063430 A KR 20030063430A
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- carbon atoms
- straight
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- formula
- hydroxyl
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- IJYHVZICHKCLMQ-UHFFFAOYSA-N imidazo[4,5-d]triazin-4-one Chemical class O=C1N=NN=C2N=CN=C12 IJYHVZICHKCLMQ-UHFFFAOYSA-N 0.000 title abstract description 7
- 238000004519 manufacturing process Methods 0.000 title description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 24
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000001412 amines Chemical class 0.000 claims abstract description 10
- 239000012442 inert solvent Substances 0.000 claims abstract description 6
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims abstract description 6
- 238000011065 in-situ storage Methods 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 53
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 42
- 125000000217 alkyl group Chemical group 0.000 claims description 35
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 34
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 33
- 239000001257 hydrogen Substances 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 20
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 15
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 125000003545 alkoxy group Chemical group 0.000 claims description 13
- 125000000623 heterocyclic group Chemical group 0.000 claims description 12
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- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 9
- 150000002431 hydrogen Chemical class 0.000 claims description 9
- 125000001424 substituent group Chemical group 0.000 claims description 9
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- 125000002757 morpholinyl group Chemical group 0.000 claims description 8
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 6
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 6
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- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000006251 butylcarbonyl group Chemical group 0.000 description 1
- 125000004744 butyloxycarbonyl group Chemical group 0.000 description 1
- DVECBJCOGJRVPX-UHFFFAOYSA-N butyryl chloride Chemical compound CCCC(Cl)=O DVECBJCOGJRVPX-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 1
- 210000003483 chromatin Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- SBNKFTQSBPKMBZ-UHFFFAOYSA-N ethenzamide Chemical compound CCOC1=CC=CC=C1C(N)=O SBNKFTQSBPKMBZ-UHFFFAOYSA-N 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 1
- OWZFULPEVHKEKS-UHFFFAOYSA-N ethyl 2-chloro-2-oxoacetate Chemical compound CCOC(=O)C(Cl)=O OWZFULPEVHKEKS-UHFFFAOYSA-N 0.000 description 1
- 125000004672 ethylcarbonyl group Chemical group [H]C([H])([H])C([H])([H])C(*)=O 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 201000001881 impotence Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000006328 iso-butylcarbonyl group Chemical group [H]C([H])([H])C([H])(C(*)=O)C([H])([H])[H] 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000005929 isobutyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])OC(*)=O 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000005928 isopropyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
- NZMAJUHVSZBJHL-UHFFFAOYSA-N n,n-dibutylformamide Chemical compound CCCCN(C=O)CCCC NZMAJUHVSZBJHL-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004673 propylcarbonyl group Chemical group 0.000 description 1
- 125000004742 propyloxycarbonyl group Chemical group 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
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- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Chemistry (AREA)
- Endocrinology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Reproductive Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims (5)
- 하기 화학식 II의 화합물과 황산을 반응시켜 하기 화학식 III의 화합물을 제조하고, 이어서, 티오닐 클로라이드와 반응시키고, 이에 의해 얻어진 생성물을 하기 화학식 IV의 아민과 불활성 용매 중에서 동일 반응계에서 반응시키고, 적절한 경우, 그의 대응되는 염, 수화물 또는 N-옥시드를 제조하도록 반응시키는 것을 특징으로 하는 하기 화학식 I의 화합물의 제조 방법:<화학식 I><화학식 II><화학식 III><화학식 IV>상기 식들에서,R1은 수소 또는 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬을 나타내고,R2는 4개 이하의 탄소 원자를 갖는 직쇄 알킬을 나타내고,R3및 R4는 같거나 다르며, 임의로 히드록실 또는 메톡시에 의해 동일하거나 상이한 방식으로 2회 이하 치환될 수 있는 5개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬이거나, 또는R3및 R4는 질소 원자와 함께 피페리디닐, 모르폴리닐 또는 티오모르폴리닐 고리 또는 하기 화학식의 라디칼을 형성하고,(여기서, R7은 수소, 포르밀, 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 아실 또는 알콕시카르보닐, 또는 임의로 히드록실, 카르보닐, 또는 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알콕시 또는 알콕시카르보닐에 의해 동일하거나 상이한 방식으로 1회 또는 2회 치환된 6개 이하의 탄소 원자를 갖는 직쇄또는 분지쇄의 알킬을 나타내거나, 또는 C3-8-시클로알킬을 나타냄)R3및 R4에서 언급된 질소 원자와 함께 형성된 헤테로사이클은 임의로 히드록실, 포르밀, 카르복실, 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 아실 또는 알콕시카르보닐에 의해 동일하거나 상이한 방식으로, 적절한 경우에는 동일 원소 상에 2개의 치환체를 갖는 방식으로, 1회 또는 2회 치환되고(이중치환되거나),R3및 R4에서 언급된 질소 원자와 함께 형성된 헤테로사이클은 임의로 히드록실 또는 카르복실에 의해 동일하거나 상이한 방식으로 1회 또는 2회 치환된 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬에 의해 치환되거나(치환되고),R3및 R4에서 언급된 질소 원자와 함께 형성되는 헤테로사이클은 임의로 N을 경유하여 결합된 피페리디닐 또는 피롤리디닐에 의해 치환되고,R5및 R6는 같거나 다르며, 수소, 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬, 히드록실, 또는 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알콕시를 나타낸다.
- 제 1항에 있어서,R1은 수소 또는 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬을 나타내고,R2는 4개 이하의 탄소 원자를 갖는 직쇄 알킬을 나타내고,R3및 R4는 서로 같거나 다르며, 임의로 히드록실 또는 메톡시에 의해 동일하거나 상이한 방식으로 2회 이하 치환될 수 있는 5개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬을 나타내거나,R3및 R4는 질소 원자와 함께 피페리디닐 또는 모르폴리닐 고리, 또는 하기 화학식의 라디칼을 형성하고,(여기서, R7은 수소, 또는 임의로 히드록실, 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알콕시에 의해 동일하거나 상이한 방식으로 1회 또는 2회 치환된 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬을 나타내거나, 또는 C3-6-시클로알킬을 나타냄)R3및 R4에서 언급된 질소 원자와 함께 형성된 헤테로사이클은 임의로 히드록실, 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 아실 또는 알콕시카르보닐에 의해, 또는 임의로 히드록실에 의해 동일하거나 상이한 방식으로 1회 또는 2회 치환된 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬에 의해, 동일하거나 상이한 방식으로, 적절한 경우, 동일 원소 상에 2개의 치환체를 갖는 방식으로, 1회 또는 2회 치환되고,R5및 R6는 같거나 다르며, 수소, 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬, 히드록실, 또는 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알콕시를 나타내는 것을 특징으로 하는 방법.
- 제 1항에 있어서,R1은 수소 또는 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬을 나타내고,R2는 4개 이하의 탄소 원자를 갖는 직쇄의 알킬을 나타내고,R3및 R4는 서로 같거나 다르며, 임의로 히드록실에 의해 동일하거나 상이한 방식으로 2회 이하 치환될 수 있는 메틸 또는 에틸을 나타내거나,R3및 R4는 질소 원자와 함께 피페리디닐 또는 모르폴리닐 고리 또는 하기 화학식의 라디칼을 형성하고,(여기서, R7은 수소, 또는 임의로 히드록실, 메톡시 또는 에톡시에 의해 동일하거나 상이한 방식으로 1회 또는 2회 치환된 메틸 또는 에틸을 나타내거나, 또는 시클로펜틸 또는 시클로헥실을 나타냄)R3및 R4에서 언급된 질소 원자와 함께 형성된 헤테로사이클은 임의로 히드록실, 메틸 또는 에틸에 의해 동일하거나 상이한 방식으로, 적절한 경우, 동일 원소상에 2개의 치환체를 갖는 방식으로, 1회 또는 2회 치환되고,R5및 R6는 같거나 다르고, 수소, 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알킬, 히드록실, 또는 6개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄의 알콕시를 나타내는 것을 특징으로 하는 방법.
- 제 1항에 있어서,R1은 메틸 또는 에틸을 나타내고,R2는 n-프로필을 나타내고,R3및 R4는 서로 같거나 다르며, 임의로 히드록실에 의해 동일하거나 상이한 방식으로 2회 이하 치환되는 메틸 또는 에틸을 나타내거나, 또는R3및 R4는 질소 원자와 함께 피페리디닐 또는 모르폴리닐 고리, 또는 하기 화학식의 라디칼을 형성하고,(여기서, R7은 수소, 또는 임의로 히드록실, 메톡시 또는 에톡시에 의해 동일하거나 상이한 방식으로 1회 또는 2회 치환된 메틸 또는 에틸을 나타내거나, 또는 시클로펜틸 또는 시클로헥실을 나타냄)R3및 R4에서 언급된 질소 원자와 함께 형성된 헤테로사이클은 임의로 히드록실, 메틸 또는 에틸에 의해 동일하거나 상이한 방식으로, 적절한 경우, 동일 원소 상에 2개의 치환체를 갖는 방식으로, 1회 또는 2회 치환되고,R5은 수소를 나타내고,R6는 에톡시를 나타내는 것을 특징으로 하는 방법.
- 제 1항에 있어서, 화학식 II의 화합물이 하기 화학식 V의 화합물과 하기 화학식 VI의 화합물을 메탄올 및 포스포러스 옥시클로라이드/아세트산 계, 또는 메탄올 및 아세틸 클로라이드/아세트산 계 중에서 2단계 반응으로 반응시켜 제조하는 것을 특징으로 하는 방법:<화학식 V><화학식 VI>상기 식들에서,R1, R2, R5및 R6는 제 1항에서 정의된 의미를 가지고,L은 4개 이하의 탄소 원자를 갖는 직쇄 또는 분지쇄 알킬을 나타낸다.
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PCT/EP2001/014239 WO2002050076A2 (de) | 2000-12-18 | 2001-12-05 | Verfahren zur herstellung von sulfonamid-substituierten imidazotriazinonen |
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DE10107639A1 (de) * | 2001-02-15 | 2002-08-22 | Bayer Ag | 2-Alkoxyphenyl-substituierte Imidazotriazinone |
DE10232113A1 (de) | 2002-07-16 | 2004-01-29 | Bayer Ag | Vardenafil Hydrochlorid Trihydrat enthaltende Arzneimittel |
DE202004006552U1 (de) * | 2004-04-26 | 2004-07-08 | Knürr AG | Kühlungssystem für Geräte- und Netzwerkschränke |
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US7977478B2 (en) * | 2006-03-13 | 2011-07-12 | Dr. Reddy's Laboratories Limited | Polymorphic forms of vardenafil |
CN101965348B (zh) * | 2007-09-06 | 2013-11-13 | 上海特化医药科技有限公司 | 伐地那非的制备方法及其中间体 |
JP5411161B2 (ja) | 2007-12-28 | 2014-02-12 | 上海特化医薬科技有限公司 | N−{1−[3−(2−エトキシ−5−(4−エチルピペラジニル)スルホニルフェニル)−4,5−ジヒドロ−5−オキソ−1,2,4−トリアジン−6−イル]エチル}ブチルアミド、その調製方法及び用途 |
WO2011016016A1 (en) | 2009-08-07 | 2011-02-10 | Ranbaxy Laboratories Limited | Processes for the preparation of vardenafil |
PL390079A1 (pl) * | 2009-12-30 | 2011-07-04 | Zakłady Farmaceutyczne POLPHARMA Spółka Akcyjna | Sposób otrzymywania wardenafilu i jego izolacji jako soli z kwasem cytrynowym oraz krystaliczna postać tej soli |
CN102134242B (zh) | 2011-01-21 | 2013-08-28 | 浙江大德药业集团有限公司 | 一种用于治疗阳痿的快速长效的化合物 |
CZ2011767A3 (cs) | 2011-11-24 | 2013-06-05 | Zentiva, K.S. | Zpusob prípravy a izolace solí vardenafilu s kyselinami |
WO2015089105A1 (en) | 2013-12-09 | 2015-06-18 | Respira Therapeutics, Inc. | Pde5 inhibitor powder formulations and methods relating thereto |
PL223869B1 (pl) | 2013-12-16 | 2016-11-30 | Starogardzkie Zakłady Farm Polpharma Spółka Akcyjna | Sposób otrzymywania wardenafilu i jego soli |
CN107383020A (zh) * | 2017-07-29 | 2017-11-24 | 合肥创新医药技术有限公司 | 一种伐地那非杂质的制备方法 |
AU2018386444A1 (en) | 2017-12-20 | 2020-07-23 | Klaria Pharma Holding Ab | Film formulation comprising vardenafil, method for its preparation, and use thereof |
CN115043757B (zh) * | 2022-07-27 | 2023-08-08 | 南京桦冠生物技术有限公司 | 一种连续化制备苄脒盐酸盐的方法 |
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GB9301192D0 (en) * | 1993-06-09 | 1993-06-09 | Trott Francis W | Flower shaped mechanised table |
AU738675B2 (en) * | 1997-11-12 | 2001-09-20 | Bayer Intellectual Property Gmbh | 2-phenyl-substituted imidazotriazinones as phosphodiesterase inhibitors |
DE10063108A1 (de) * | 2000-12-18 | 2002-06-20 | Bayer Ag | Verfahren zur Herstellung von Sulfonamid-substituierten Imidazotriazinonen |
DE10107639A1 (de) * | 2001-02-15 | 2002-08-22 | Bayer Ag | 2-Alkoxyphenyl-substituierte Imidazotriazinone |
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