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Preparation of high purity sodium (S)-2(6-methoxy-2-naphthyl)propionate 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C07C-063/34
출원번호 US-0988796 (1997-12-11)
발명자 / 주소
  • Phan Hao V.
  • Young Robert E.
출원인 / 주소
  • Albemarle Corporation
대리인 / 주소
    Pippenger
인용정보 피인용 횟수 : 0  인용 특허 : 35

초록

Sodium (S)-2-(6-methoxy-2-naphthyl)propionate of at least 99% chiral purity is formed from (S)-2-(6-methoxy-2-naphthyl)propionic acid having a chiral purity of at least about 82%, but below 99%. This is done by distilling a two-phase mixture formed from (i) the (S)-2-(6-methoxy-2-naphthyl)propionic

대표청구항

[ We claim:] [1.] A process of preparing sodium (S)-2-(6-methoxy-2-naphthyl)propionate of at least 99% chiral purity, which process comprises:a) forming a two-phase mixture from (i) (S)-2-(6-methoxy-2-naphthyl)propionic acid having a chiral purity of at least about 82%, but below 99%, (ii) water, (i

이 특허에 인용된 특허 (35)

  1. Fried John H. (Palo Alto CA) Harrison Ian T. (Palo Alto CA), 2-(6-Substituted-2′-naphthyl) acetic acid derivatives and the salts and esters thereof.
  2. Fried John H. (Palo Alto CA) Harrison Ian T. (Palo Alto CA), 2-Naphthyl acetic acid derivatives and compositions and methods thereof.
  3. Fried John H. (Palo Alto CA) Harrison Ian T. (Palo Alto CA), 6-Substituted 2-naphthyl acetic acid derivatives.
  4. Walker Jerry A. (Oshtemo Township ; Kalamazoo County MI) Amin Sanjay I. (Oshtemo Township ; Kalamazoo County MI), Arylalkanoic acid process improvement.
  5. Smith Walton J. (P.O. Box 21 Lebanon NH 03766), Carboxylic acid compositions.
  6. Hsiao Charles H. (Cooper City FL) Kent John S. (Palo Alto CA), Controlled release naproxen and naproxen sodium tablets.
  7. Hsiao Charles H. (Cooper City FL) Kent John S. (Palo Alto CA), Controlled release naproxen and naproxen sodium tablets.
  8. Manimaran Thanikavelu (Baton Rouge LA) Stahly G. Patrick (Baton Rouge LA) Herndon ; Jr. R. Carl (Baton Rouge LA), Enantiomeric resolution.
  9. Murray William T. (Orangeburg SC) Young Robert E. (West Columbia SC) Choudhury Azfar A. (Orangeburg SC) Patil Deepak R. (Orangeburg SC), Enantiomeric resolution.
  10. Manimaran Thanikavelu (Baton Rouge LA) Stahly G. Patrick (Baton Rouge LA) Herndon ; Jr. R. Carl (Baton Rouge LA), Enantiomeric resolution of aryl-substituted aliphatic carboxylic acids.
  11. Loew Dieter (Wuppertal DEX) Schuster Otto (Frankfurt DEX) Lukas H. (Frankfurt DEX), Ibuprofen-containing medicament.
  12. Schloemer George C. (Lyons CO), Manufacture of alpha-arylalkanoic acids and precursors.
  13. Erickson Gary W. (Boulder CO), Manufacture of optically active a 상세보기
  • Sunshine Abraham (New York NY) Laska Eugene M. (Larchmont NY), Onset-hastened/enhanced analgesia.
  • Patil Deepak R. (Orangeburg SC) Choudhury Azfar A. (Orangeburg SC) Kadkhodayan Abbas (Orangeburg SC), Preparation by flotation of optically active aliphatic carboxylic acids.
  • Schloemer George C. (Lyons CO), Preparation of a 상세보기
  • Armitage Bernard J. (Beeston EN) Jeffery James E. (Beeston EN) Nicholson John S. (Beeston EN) Tantum James G. (Nuthall EN), Preparation of arylalkanoic acids.
  • Choudhury Azfar A. (Orangeburg SC) Kadkhodayan Abbas (Orangeburg SC) Patil Deepak R. (Orangeburg SC), Preparation of optically active aliphatic carboxylic acids.
  • Choudhury Azfar A. (Orangeburg SC) Kadkhodayan Abbas (Orangeburg SC) Patil Deepak R. (Orangeburg SC), Preparation of optically active aliphatic carboxylic acids.
  • Kadkhodayan Abbas (Orangeburg SC) Patil Deepak R. (Orangeburg SC) Choudhury Azfar A. (Orangeburg SC), Preparation of optically active aliphatic carboxylic acids.
  • Manimaran Thanikavelu (Baton Rouge LA) Impastato Fred J. (Baton Rouge LA), Preparation of optically active aliphatic carboxylic acids.
  • Patil Deepak R. (Orangeburg SC) Ramachandran Venkataraman (Baton Rouge LA), Preparation of optically active aliphatic carboxylic acids.
  • Maier Josef (Weilheim DEX) Gloger Manfred (Weilheim DEX) Hoerschelmann Detlef V. (Wielenbach DEX) Strejcek Jan (Iffeldorf DEX) Heimerl Sebastian (Tutzing DEX), Process for obtaining D(+)-naproxen.
  • Alvarez Francisco (Sunnyvale CA), Process for preparing 2-(6-methoxy-2-naphthyl)propionic acid.
  • Campolmi Stefano (Novara ITX) Felicioli Maria G. (Novara ITX) Carletti Vittorio (Meda ITX) Santi Roberto (Novara ITX), Process for preparing 2-(6′-methoxy-2′-naphthyl)-propionic acid.
  • Giordano Claudio (Monza ITX) Belli Aldo (Novara ITX) Uggeri Fulvio (Codogno ITX) Villa Giovanni (Monticello Brianza ITX), Process for preparing esters of 2-(6′-methoxy-2′-naphtyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(.
  • Piccolo Oreste (Via Vittorio Veneto ; 5 Monza Milano ITX) Valoti Ermanno (Piazza Leone XIII°Dalmine (Bergamo) ITX) Visentin Giuseppina (Via Borgazzi ; 13 20052 Monza Milano ITX), Process for preparing naproxen.
  • Bernini Giuseppe (Milan ITX), Process for the enantiomeric resolution of mixtures of D and L-6-methoxy-alpha-methyl-2-naphthaleneacetic acid and resol.
  • Dvorak Charles A. (Palo Alto CA), Process for the preparation of d,1-2-(6-methoxy-2-naphthyl)propionic acid.
  • Felder Ernst (Riva San Vitale CHX) Pitre Davide (Milan ITX) Zutter Hans (Schaffhausen CHX), Process for the resolution of (+)- and (-)-6-methoxy-a 상세보기
  • Holton Percy G. (Menlo Park CA), Process for the resolution of d,1 2-(6-methoxy-2-naphthyl)propionic acid.
  • Ohno Nobuo (Toyonaka JPX) Miyakado Masakazu (Nishinomiya JPX) Hirai Hajime (Nishinomiya JPX), Racemization of optically active 2-(4-chlorophenyl)-3-methylbutyric acid.
  • Patil Deepak R. (Orangeburg SC) Choudhury Azfar A. (Orangeburg SC) Kadkhodayan Abbas (Orangeburg SC), Racemization process for an optically active carboxylic acid or ester thereof.
  • Trace Rhonda L. (Baton Rouge LA), Racemization process for optically active carboxylic acids, salts and esters.
  • Gallegra Pasquale (San Jose CA), Resolution of 2-(6-methoxy-2-napthyl)propionic acid.
  • 문의처: helpdesk@kisti.re.kr전화: 080-969-4114

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