KR101603699B1 - Do3a-아미노메틸사이클로헥산 콘쥬게이트를 포함하는 가돌리늄 착물 - Google Patents
Do3a-아미노메틸사이클로헥산 콘쥬게이트를 포함하는 가돌리늄 착물 Download PDFInfo
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- KR101603699B1 KR101603699B1 KR1020140003596A KR20140003596A KR101603699B1 KR 101603699 B1 KR101603699 B1 KR 101603699B1 KR 1020140003596 A KR1020140003596 A KR 1020140003596A KR 20140003596 A KR20140003596 A KR 20140003596A KR 101603699 B1 KR101603699 B1 KR 101603699B1
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- do3a
- aminomethylcyclohexane
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- derivative compound
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Images
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- A61K49/106—Organic compounds the carrier being a complex-forming compound able to form MRI-active complexes with paramagnetic metals the complex-forming compound being cyclic, e.g. DOTA
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- C—CHEMISTRY; METALLURGY
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- A61K49/10—Organic compounds
- A61K49/101—Organic compounds the carrier being a complex-forming compound able to form MRI-active complexes with paramagnetic metals
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Abstract
본 발명에 따르면 DO3A-아미노메틸사이클로헥산 유도체 화합물을 제조할 수 있으며, 상기 화합물을 이용하여 가돌리늄 착물을 제조할 수 있다. 본 발명에 따라 제조된 가돌리늄 착물들은 열역학적 및 속도론적 안정성을 보여주고, 현재 상용중인 임상적 조영제와 필적할만한 이완율을 나타냈다. 따라서 본 발명에 따른 가돌리늄 착물은 자기공명영상(MRI)의 조영제로서 널리 사용될 수 있다.
Description
도 2는 본 발명에 따른 DO3A-아미노메틸사이클로헥산(1d) 및 그의 가돌리늄 착물(2d)의 합성 모식도를 나타낸 것이다.
도 3은 본 발명에 따른 DO3A-아미노메틸사이클로헥산(1e) 및 그의 가돌리늄 착물(2e)의 합성 모식도를 나타낸 것이다.
도 4는 다양한 MRI 조영제들에 대한 시간에 대한 함수로서 R 1P(t)/ R 1P(0)의 진화(Evolution)를 나타낸다.
도 5A는 조영제 주사후 5분후 ICR 생쥐들의 관상(coronal) 및 축성(axial) T1-가중(weighted) 이미지들을 보여준다. K, 신장; A, 복부대동맥. 도 5B는 조영제 주사 후 1 h 후 관상 및 축성 T1-가중 이미지들을 보여준다. H, 심장; L, 간; B, 방광; G, 담낭.
도 6은 Gd-DOTA 및 2b-e에 의해 얻어진 정상 결막 섬유아세포의 상대적 세포 독성(%)을 나타낸다. 표준 편차(±SD)는 3중 분석 (n = 3)으로 얻어졌다.
도 7은 리간드에 대한 Gd3+의 결합 열역학의 ITC 결정을 나타낸다. 결합 등온은 Gd3+/1a-e의 몰비의 함수로서 적분 열(heats)의 플롯에 해당한다. 실선은 수학적으로 결정된 한 세트의 사이트 모델내로 데이터의 최상-피트 커브에 해당하며, 각 리간드에 한 분자(Gd3+) 결합을 가리킨다. 해리 상수 (Kd ), 연합 상수 (Ka ), 리간드당 결합된 Gd3+ 갯수 (N), 및 연합 엔탈피 변화 (ΔH)는 데이터 분석으로 얻어졌다. 해리 및 연합 상수는 리간드 (1a-e)에 비교한 상대적 안정성을 결정하는데 중요한 접근방법이다.
도 8은 간 및 신장에 대한 다양한 조영제들에 의해 얻어진 CNR 프로파일들을 나타낸다.
도 9는 서로 다른 pH 조건하에서 인큐베이션 시간의 함수로서 PBS에서 2 ([Gd] = 1.0 mM)에 대한 R 1의 진화(Evolution)을 나타낸다.
| 2a (초기) | 2a (50℃/3day) | |
| 27.11min 2a(trans) |
97.73% | 97.43% |
| 30.48min 2a(cis) |
1.89% | 1.25% |
| 2.31min 2b |
0.01% | 0.72% |
| 52.24min | 0.04% | 0.19% |
| 2b (초기) | 2b (50℃/3day) | |
| 2.38min 2b(trans) |
92.80% | 93.4% |
| 2.88min 2b(cis) |
3.35% | 2.87% |
| 3.16min | 0.30% | 0.33% |
| 3.84min | 0.35% | 0.38% |
| 7.66min | 0.12% | 0.06% |
| 24.42min | 0.06% | 0.19% |
| 28.12min | 0.56% | 0.64% |
| 29.92min | 0.09% | 0.10% |
| 34.46min Acid |
0.34% | 0.03% |
| 49.58min | 0.19% | 0.21% |
| 2c (초기) | 2c (50℃/3day) | |
| 9.10min 2c(trans) |
91.05% | 93.11% |
| 10.60min 2c(cis) |
1.35% | 1.19% |
| 2.31min 2b |
0.06% | 0.11% |
| 2.58% | 0.27% | 0.27% |
| 7.61% | 0.14% | 0.14% |
| 19.86% | 2.22% | 2.30% |
| 40.68min 1c |
1.65% | 0.002% |
| 45.53min | 0.16% | 0.18% |
| 49.81min | 0.09% | 0.11% |
| 2d (초기) | 2d (50℃/3day) | |
| 6.54min 2d |
89.67% | 90.10% |
| 8.86min | 0.30% | 0.30% |
| 7.79min | 0.30% | 0.36% |
| 33.15min | 1.20% | 1.12% |
| 40.33min | 0.16% | 0.007% |
| 40.81min | 0.14% | 0.14% |
| 43.77min | 0.27% | 0.25% |
| 44.51min | 0.23% | 0.22% |
| 46.56min | 0.19% | 0.18% |
| 2e (초기) | 2e (50℃/3day) | |
| 17.21min 2e |
94.88% | 94.66% |
| 2.32min | 0.04% | 0.04% |
| 4.98min | 0.09% | 0.07% |
| 23.70min 2e isomer |
1.36% | 1.57% |
| 40.63min | 0.03% | 0.05% |
| 42.14min | 0.01% | 0.05% |
| 43.00min | 0.05% | 0.05% |
| 44.95min | 0.05% | 0.05% |
| 45.93min | 0.04% | 0.03% |
| 46.64min | 0.02% | 0.01% |
| 48.46min | 0.03% | 0.03% |
| 49.36min | 0.18% | 0.18% |
Claims (10)
- 삭제
- 하기 단계들을 포함하는 제 1항에 따른 DO3A-아미노메틸사이클로헥산 유도체 화합물(화학식에서 R=NH2; 화합물1d)의 제조방법:
a) 트랜스-1,4-디아민사이클로헥산(trans-1,4-diaminocyclohexane)에 다이터셔리부틸 다이카보네이트(Di-tert-butyl dicarbonate)를 첨가하여 교반하는 단계;
b) 상기 혼합물에 브로모아세틸 브로마이드(bromoacetyl bromide)를 첨가하여 교반하는 단계;
c) 상기 혼합물에 트리-tert-부틸 2,2',2''-(1,4,7,10-테트라아자사이클로도데칸-1,4,7-트리일)트리아세테이트 [DO3A-( t BuO)3]를 첨가하여 교반하여 DO3A( t BuO)3 트라넥사믹 아민 콘쥬게이트를 만드는 단계;
d) 상기 혼합물을 진공에서 용매를 모두 제거한 후 메탄올을 넣어 녹인 후, 실리카 겔 크로마토그래피를 수행하는 단계; 및
e) 상기 크로마토그래피로 얻은 물질에 트리플루오로아세트산(TFA)를 첨가하여 tert-butyl 그룹을 탈보호시키는 단계;
f) 진공상태에서 건조하여 DO3A-아미노메틸사이클로헥산 유도체 화합물을 얻는 단계.
- 하기 단계들을 포함하는 제 1항에 따른 DO3A-아미노메틸사이클로헥산 유도체 화합물(화학식에서 R=H; 화합물1e)의 제조방법:
a) 아미노메틸사이클로헥산((aminomethyl)cyclohexane)에 브로모아세틸 브로마이드(bromoacetyl bromide)를 첨가하여 교반하는 단계;
b) 상기 혼합물에 트리-tert-부틸 2,2',2''-(1,4,7,10-테트라아자사이클로도데칸-1,4,7-트리일)트리아세테이트 [DO3A-( t BuO)3]를 첨가하여 교반하여 DO3A-( t BuO)3 트라넥사믹 콘쥬게이트를 만드는 단계;
c) 상기 혼합물에서 용매를 모두 제거한 후 메탄올을 넣어 녹인 후, 실리카 겔 크로마토그래피를 수행하는 단계; 및
d) 상기 크로마토그래피로 얻은 물질에 트리플루오로아세트산(TFA)를 첨가하여 tert-butyl 그룹을 탈보호시키는 단계;
e) 진공상태에서 건조하여 DO3A-아미노메틸사이클로헥산 유도체 화합물을 얻는 단계.
- 제 1항에 따른 DO3A-아미노메틸사이클로헥산 유도체 화합물을 포함하는 착물 리간드(L)용 조성물.
- 제 1항에 따른 DO3A-아미노메틸사이클로헥산 유도체 화합물을 리간드(L)로 포함하고, 상기 리간드에 배위결합하는 금속원자를 포함하는 착물.
- 제 6항에 있어서, 상기 금속원자는 가돌리늄(Gd)인 것을 특징으로 하는 착물.
- 제 6항 또는 제 7항에 따른 착물을 유효성분으로 함유하는 자기공명영상(MRI) 조영제.
- 제 8항에 있어서, 상기 조영제는 ECF(Extracelluar fluid) 조영제 기능을 갖는 것을 특징으로 하는 자기공명영상(MRI) 조영제.
- 삭제
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| KR1020140003596A KR101603699B1 (ko) | 2014-01-10 | 2014-01-10 | Do3a-아미노메틸사이클로헥산 콘쥬게이트를 포함하는 가돌리늄 착물 |
| CN201580004135.8A CN105899494B (zh) | 2014-01-10 | 2015-01-08 | 含do3a-氨甲环酸共轭物的钆配合物 |
| JP2016545967A JP6246378B2 (ja) | 2014-01-10 | 2015-01-08 | Do3a−トラネキサム酸コンジュゲートを含むガドリニウム錯体 |
| EP15735222.0A EP3093285B1 (en) | 2014-01-10 | 2015-01-08 | Gadolinium complex comprising do3a-tranexamic acid conjugate |
| PCT/KR2015/000194 WO2015105352A1 (ko) | 2014-01-10 | 2015-01-08 | Do3a-트라넥스아믹산 콘쥬게이트를 포함하는 가돌리늄 착물 |
| US15/110,386 US10245328B2 (en) | 2014-01-10 | 2015-01-08 | Gadolinium complex comprising DO3A-tranexamic acid conjugate |
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| KR102167614B1 (ko) * | 2018-08-23 | 2020-10-19 | 에스티팜 주식회사 | 가도부트롤의 제조방법 |
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| CN105899494B (zh) | 2018-06-15 |
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