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公开(公告)号：KR100323652B1
公开(公告)日：2002-03-29
申请号：KR1019990047103
申请日：1999-10-28
IPC: C07D213/89
Abstract: 본발명은알킬트란스-4-브로모-3-하이드록시-1-피페리딘카르복실레이트를출발물질로하여알킬트란스-4-브로모-3-벤조일아미노카르보닐옥시-1-피페리딘카르복실레이트, 알킬시스-1-벤조일-2-옥소-헥사하이드로-옥사졸로[5,4-c] 피리딘-5-카르복실레이트, 알킬시스-2-옥소-헥사하이드로-옥사졸로[5,4-c] 피리딘-5-카르복실레이트, 시스-1--부톡시카르보닐-5-에톡시카르보닐-2-옥소-헥사하이드로옥사졸로[5,4-c] 피리딘, 알킬시스-4--부톡시카르보닐아미노-3-하이드록시-1-피페리딘카르복실레이트및 알킬시스-4--부톡시카르보닐아미노-3-메톡시-1-피페리딘카르복실레이트의중간물질을거쳐시사프라이드의중간체인알킬시스-4-아미노-3-메톡시-1-피페리딘카르복실레이트염산염을제조하는방법에관한것이다. 본발명은종래기술과는달리모든반응이온화한조건에서진행되고각 단계마다특별히정제과정을필요로하지않으며위험한나트륨하이드라이드나수소가스를사용하지않아종래기술의단점을모두극복함으로써산업화가용이한장점을가지고있으며또한알킬시스-4-아미노-3-메톡시-1-피페리딘카르복실레이트를취급이불편하고순도(80% 이하)가떨어지는종래기술의액상형태와는달리공업적으로다루기쉬운고순도(98% 이상)의분말형태로얻을수 있는장점이있다.
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Patent Agency Ranking
公开(公告)号：KR1020010038923A
公开(公告)日：2001-05-15
申请号：KR1019990047103
申请日：1999-10-28
IPC: C07D213/89
Abstract: PURPOSE: A method for producing alkyl cis-4-amino-3- methoxy-1-piperidine carboxylate hydrochloride is provided, thereby the titled compound having high purity can be easily produced because the further purification steps are not required and the production is performed under the mild conditions. CONSTITUTION: The method for producing alkyl cis-4-amino-3- methoxy-1-piperidine carboxylate hydrochloride represented by formula (I) comprises the steps of: reacting alkyl trans-4-bromo-3- hydroxypiperidine-1-carboxylate of formula (III) with benzoyl isocyanate in organic solvents to produce alkyl trans-4-bromo-3- benzoylaminocarbonyloxy-1-piperidine carboxylate of formula (IV); adding base such as kalium tert-butoxide into the compound of formula (IV) to produce alkyl cis-1-benzoyl-2-oxo- hexahydro-oxazolo(5,4,c) pyridine-5-carboxylate of formula (V); reacting the compound of formula (V) with lithium hydroxide·H2O to produce alkyl cis-2-oxo-hexahydro-oxazolo(5,4-c) pyridine-5-carboxylate of formula (VI); reacting the compound of formula (VI) with triethylamine, di-tert-butoxy dicarbonate, and dimethylaminopyridine to produce cis-1-tert- butoxycarbonyl-5- ethoxycarbonyl-2-oxo- hexahydro- oxazolo(5,4-c) pyridine of formula (VII); reacting the compound of formula (VII) with cesium carbonate to produce alkyl cis-4-tert- butoxycarbonyl amino-3-hydroxy-1-piperidine carboxylate of formula (VIII); adding sodium hydroxide, dimethyl sulfate, and benzyltriethyl ammonium chloride into the compound of formula (VIII) to produce alkyl cis-4-tert-butoxycarbonylamino- 3-methoxy-1-piperidine carboxylate of formula (IX); and adding hydrogen chloride dissolved organic solvent into the compound of formula (IX) to produce alkyl cis-4-amino-3- methoxy-1-piperidine carboxylate hydrochloride of formula (I).
Abstract translation: 目的：制备顺式-4-氨基-3-甲氧基-1-哌啶羧酸烷基酯盐酸盐的方法，由于不需要进一步的纯化步骤，因此可以容易地制备具有高纯度的标题化合物，并且在 温和的条件。 构成：由式（I）表示的顺式-4-氨基-3-甲氧基-1-哌啶羧酸盐酸烷基酯盐酸盐的制备方法包括以下步骤：使反式-4-溴-3-羟基哌啶-1-羧酸烷基酯 （III）与有机溶剂中的苯甲酰异氰酸酯反应以制备式（IV）的反式-4-溴-3-苯甲酰氨基羰基氧基-1-哌啶羧酸烷基酯; 将碱如叔丁醇钾加入到式（IV）化合物中以制备式（V）的顺式-1-苯甲酰基-2-氧代六氢恶唑并（5,4，c）吡啶-5-羧酸烷基酯; 使式（Ⅴ）化合物与氢氧化锂·H 2 O反应生成式（Ⅵ）的烷基顺式-2-氧代 - 六氢 - 恶唑并（5,4-c）吡啶-5-羧酸酯; 使式（VI）化合物与三乙胺，二叔丁氧基二碳酸酯和二甲基氨基吡啶反应，得到顺式-1-叔丁氧基羰基-5-乙氧基羰基-2-氧代六氢 - 恶唑并（5,4-c）吡啶 式（Ⅶ）; 使式（Ⅶ）化合物与碳酸铯反应制得式（Ⅷ）的顺式-4-叔丁氧基羰基氨基-3-羟基-1-哌啶羧酸烷基酯; 向式（Ⅷ）化合物中加入氢氧化钠，硫酸二甲酯和苄基三乙基氯化铵，得到式（Ⅸ）的顺式-4-叔丁氧基羰基氨基-3-甲氧基-1-哌啶羧酸烷基酯; 并向式（IX）化合物中加入氯化氢溶解的有机溶剂，得到式（I）的烷基顺式-4-氨基-3-甲氧基-1-哌啶羧酸盐酸盐。
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公开(公告)号：KR100255031B1
公开(公告)日：2001-03-02
申请号：KR1019980006425
申请日：1998-02-27
Applicant: 한국화학연구원
IPC: C07J11/00
Abstract: PURPOSE: A process for producing squalamine is provided, thereby the squalamine can be cheaply and simply produced due to the use of cheap 3-keto-bisnocholenol as an initial compound. CONSTITUTION: The process for producing squalamine of formula(1) comprises the steps of: protecting a 3-keto group of 3-keto-bisnocholenol of formula(2) with an ethylenekital group and converting primary alcohol at C22 into an aldehyde group to produce 3-ethylenekital-23,24-bisnochola-5-en-22-al of formula(3); aldol condensing the compound of formula(3) to produce inone compound, hydrogenating the inone compound in the presence of platinum catalyst to produce 3-ethylenekital-cholest-5-en-24-on of formula(4); allyl oxidizing the compound of formula(4) to produce 3-ethylenekital-cholest-5-en-7,24-dion; selectively reducing double bond of the compound of formula(5) at C5 to produce 5alpha-cholestan and stereo selectively reducing a kito group at C7 and treating it with hydrochloric acid to produce 3-kito-5-alpha-cholestan-7,24-diol of formula(6); protecting hydroxy at C24 of the compound of formula(6) with t-butyldimethylsilyl, and converting kito at C3 to 3alpha-amino to produce 3alpha-amino-7,24-dihydroxycholest-5-en of formula(7); reacting the compound of formula(7) with polyamine aldehyde of formula(8) to produce a compound of formula(9); and treating the compound of formula(9) with acid to remove silly and a carbamate protecting group and to insert sulfone into the C24 site.
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公开(公告)号：KR100247555B1
公开(公告)日：2000-03-15
申请号：KR1019980004855
申请日：1998-02-17
Applicant: 한국화학연구원
IPC: C07J9/00
Abstract: 본 발명은 스테로이드계 의약품 중간체의 제조방법에 관한 것으로서, 더욱 상세하게는 다음 화학식 2로 표시되는 키노데옥시콜릭 산을 출발물질로 사용하여 스테로이드계 의약품의 중간체로 유용한 다음 화학식 1로 표시되는 3-키토-5α-콜레스탄-24-올을 제조하는 방법에 관한 것이다.
상기 화학식에서: R은 수소원자 또는 t-부틸디메틸실릴 그룹을 나타낸다.-
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公开(公告)号：KR1019990070162A
公开(公告)日：1999-09-15
申请号：KR1019980004855
申请日：1998-02-17
Applicant: 한국화학연구원
IPC: C07J9/00
Abstract: 본 발명은 스테로이드계 의약품 중간체의 제조방법에 관한 것으로서, 더욱 상세하게는 다음 화학식 2로 표시되는 키노데옥시콜릭 산을 출발물질로 사용하여 스테로이드계 의약품의 중간체로 유용한 다음 화학식 1로 표시되는 3-키토-5α-콜레스탄-24-올을 제조하는 방법에 관한 것이다.
상기 화학식에서: R은 수소원자 또는 t-부틸디메틸실릴 그룹을 나타낸다.
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