CN107286213A - 一种氟维司群中间体的制备方法 - Google Patents
一种氟维司群中间体的制备方法 Download PDFInfo
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- CN107286213A CN107286213A CN201610201883.1A CN201610201883A CN107286213A CN 107286213 A CN107286213 A CN 107286213A CN 201610201883 A CN201610201883 A CN 201610201883A CN 107286213 A CN107286213 A CN 107286213A
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- VWUXBMIQPBEWFH-WCCTWKNTSA-N Fulvestrant Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3[C@H](CCCCCCCCCS(=O)CCCC(F)(F)C(F)(F)F)CC2=C1 VWUXBMIQPBEWFH-WCCTWKNTSA-N 0.000 title claims abstract description 15
- 229960002258 fulvestrant Drugs 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims description 6
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 12
- 238000005899 aromatization reaction Methods 0.000 claims abstract description 6
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims abstract 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 17
- ODWXUNBKCRECNW-UHFFFAOYSA-M bromocopper(1+) Chemical compound Br[Cu+] ODWXUNBKCRECNW-UHFFFAOYSA-M 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000021736 acetylation Effects 0.000 claims 1
- 238000006640 acetylation reaction Methods 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 15
- 238000010189 synthetic method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 229910021589 Copper(I) bromide Inorganic materials 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 150000008065 acid anhydrides Chemical class 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 238000004440 column chromatography Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000000205 computational method Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 239000000328 estrogen antagonist Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- AYMUQTNXKPEMLM-UHFFFAOYSA-N 1-bromononane Chemical compound CCCCCCCCCBr AYMUQTNXKPEMLM-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010061818 Disease progression Diseases 0.000 description 1
- 238000010268 HPLC based assay Methods 0.000 description 1
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000001833 anti-estrogenic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 201000011510 cancer Diseases 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000005750 disease progression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 230000001394 metastastic effect Effects 0.000 description 1
- 206010061289 metastatic neoplasm Diseases 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 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 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
- C07J1/0051—Estrane derivatives
- C07J1/0066—Estrane derivatives substituted in position 17 beta not substituted in position 17 alfa
- C07J1/007—Estrane derivatives substituted in position 17 beta not substituted in position 17 alfa the substituent being an OH group free esterified or etherified
- C07J1/0074—Esters
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
Abstract
本发明提供了一种氟维司群的中间体II的合成方法,以化合物I为起始原料,在醋酐存在下,用CuBr2及LiBr发生芳构化反应得到。
Description
技术领域
本发明涉及氟维司群中间体式II化合物的制备方法,其结构式如下:
背景技术
氟维司群是一种雌激素拮抗剂,2002年氟维司群获美国FDA批准由阿斯利康上市,用于抗雌激素疗法治疗无效,病情进展,雌激素受体(ER)成阳性的绝经后转移性晚期乳腺癌的治疗。氟维司群的一种合成方法是通过中间体II来完成,中间体的纯度对氟维司群的质量影响较大,因此中间体II的纯度越高,终产物氟维司群的质量越好。
式II的合成方法报道较少,CN102993259提到以6-羰基雌二醇二乙酸酯与1,9-二溴壬烷在叔丁醇钾作用下发生7位烷基化加成,然后再使用钯碳加氢还原,去除6位羰基,得到式II的化合物,该化合物的纯度及收率没有提及;此外钯碳加氢还原是否需要在加压条件下进行并没有提及。
在《氟化工》2013,20(4):16-17也具体描述了式II化合物的合成,其合成路线与CN102993259相同,但其收率为51%,HPLC检测纯度为92%,并且明确钯碳加氢还原使用了高压设备,即在加压条件下完成。
总的来说,现有式II化合物的合成路线的存在两个缺点:一是收率较低、纯度也还存在提升的空间;另一是使用高压催化加氢反应,存在一定的不安全因素,不是规模化生产的首选。
随着氟维司群使用量和应用范围快速增长,因此收率更高、纯度更好、最好无需使用催化氢化步骤的氟维司群中间体式II化合物生产工艺是更需要的。
发明内容
为了解决现有技术在制备氟维司群中间体式II化合物时的纯度、收率不够高、不适于工业化规模生产的加压催化氢化步骤等问题,本发明提供一种简单有效,适于规模化生产高纯度氟维司群中间体II的方法。
具体地说,本发明提供了使用化合物I在酸酐的存在下,用溴化铜及溴化锂芳构化,得到氟维司群的中间体II,其合成路线如下:
本发明人出乎意料地发现,在-10-40℃反应范围内,式II化合物的纯度不仅都保持在97%以上,优于现有技术的92%;而且收率也保持在大约90%以上,也优于现有技术的51%;同时避免了使用加压催化氢化还原步骤。
具体实施方式
实施例1
将40g式I化合物溶解在300ml乙腈中,控温20-25℃,搅拌下滴加混合物(LiBr21g,溴化铜63g,酸酐8ml,乙腈700ml经搅拌完全溶解),约4h滴加完,滴毕,补加6.6ml的酸酐,继续室温下反应4h。加入甲苯400ml,氨水200ml,搅拌15min,分层,有机层用400ml水洗2遍,减压浓缩至干,经柱层析得到式II化合物39.6g,HPLC检测纯度大于97%,收率(以中间体I计摩尔收率):91%。
产物经NMR测试表明与式II化合物一致,
1H-NMR(CDCl3):δ7.27(1H,d,J=8.5Hz),6.84(1H,br d,J=8.5Hz),6.78(1H,brs),4.70(1H,t,J=8.3Hz),3.40(2H,t,J=6.4Hz),2.90(1H,dd,J=16.5,4.2Hz),2.75(1H,d,J=16.5Hz),2.21~2.37(2H),2.28(3H,s),2.06(3H,s),1.83~1.86(3H),1.75(1H),1.64(2H),1.37~1.57(9H),1.17~1.32(10H),1.02(1H,m),0.82(3H,s)。
HPLC测定方法:(1)色谱条件色谱柱:symmetry C8,3.5μ,4.6x150mm;溶液A---水:乙腈:甲醇(410:320:270);溶液B---乙腈:甲醇:水(490:410:100);波长:225nm,柱温:40℃;流速:1ml/min;进样量:10μl;梯度洗脱条件见下表1。
表1 梯度洗脱条件
时间(min) | 溶液B百分比(%) |
0 | 80 |
20 | 100 |
30 | 100 |
31 | 80 |
40 | 80 |
溶液的制备:甲醇做稀释液;取样品50mg,置10ml量瓶中,用甲醇溶解并稀释至刻度,摇匀做供试液。取稀释液、供试液各10μl,注入液相色谱仪,记录谱图40min,面积归一法计算有关物质。
实施例2
将40g式I化合物溶解在300ml乙腈中,控温-10℃,搅拌下滴加混合物(LiBr 21g,溴化铜63g,酸酐8ml,乙腈700ml经搅拌完全溶解),约4h滴加完,滴毕,补加6.6ml的酸酐,继续室温下反应4h。加入甲苯400ml,氨水200ml,搅拌15min,分层,有机层用400ml水洗2遍,减压浓缩至干,经柱层析得到式II化合物39.1g,HPLC检测纯度大于97%(测定方法同实施例1),收率(计算方法同实施例1):89.9%。
实施例3
将40g式I化合物溶解在300ml乙腈中,控温40℃,搅拌下滴加混合物(LiBr 21g,溴化铜63g,酸酐8ml,乙腈700ml经搅拌完全溶解),约4h滴加完,滴毕,补加6.6ml的酸酐,继续室温下反应4h。加入甲苯400ml,氨水200ml,搅拌15min,分层,有机层用400ml水洗2遍,减压浓缩至干,经柱层析得到式II化合物39.7g,HPLC检测纯度大于97%(测定方法同实施例1),收率(计算方法同实施例1):91.2%。
Claims (2)
1.一种氟维司群的中间体(式II)的制备方法,其特征在于:
1)在乙腈中,-10-40℃之间,用芳构化试剂溴化铜及溴化锂,使式I芳构化;
2)芳构化过程中,使用醋酐乙酰化酚羟基;
3)芳构化过程中,醋酐缓慢滴加。
2.根据权利要求1的制备方法,其中温度为20-25℃。
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Cited By (1)
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CN110669089A (zh) * | 2019-11-19 | 2020-01-10 | 湖南新合新生物医药有限公司 | 一种6-酮雌二醇的合成方法 |
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Cited By (2)
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