[go: up one dir, main page]

RU2003119067A - METHOD FOR PRODUCING BETULIN ACID - Google Patents

METHOD FOR PRODUCING BETULIN ACID Download PDF

Info

Publication number
RU2003119067A
RU2003119067A RU2003119067/04A RU2003119067A RU2003119067A RU 2003119067 A RU2003119067 A RU 2003119067A RU 2003119067/04 A RU2003119067/04 A RU 2003119067/04A RU 2003119067 A RU2003119067 A RU 2003119067A RU 2003119067 A RU2003119067 A RU 2003119067A
Authority
RU
Russia
Prior art keywords
acid
producing
producing betulin
betulin acid
sodium borohydride
Prior art date
Application number
RU2003119067/04A
Other languages
Russian (ru)
Other versions
RU2246500C1 (en
Inventor
Тамара Ивановна Когай (RU)
Тамара Ивановна Когай
Владимир Александрович Левданский (RU)
Владимир Александрович Левданский
Борис Николаевич Кузнецов (RU)
Борис Николаевич Кузнецов
Original Assignee
Институт химии и химической технологии СО РАН (ИХХТ СО РАН) (RU)
Институт химии и химической технологии СО РАН (ИХХТ СО РАН)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Институт химии и химической технологии СО РАН (ИХХТ СО РАН) (RU), Институт химии и химической технологии СО РАН (ИХХТ СО РАН) filed Critical Институт химии и химической технологии СО РАН (ИХХТ СО РАН) (RU)
Priority to RU2003119067/04A priority Critical patent/RU2246500C1/en
Publication of RU2003119067A publication Critical patent/RU2003119067A/en
Application granted granted Critical
Publication of RU2246500C1 publication Critical patent/RU2246500C1/en

Links

Landscapes

  • Steroid Compounds (AREA)

Claims (1)

Способ получения бетулиновой кислоты, включающий окисление бетулина оксидом хрома (VI) в уксусной кислоте в бетулоновую кислоту и восстановление боргидридом натрия в бетулиновую кислоту, отличающийся тем, что восстанавливают натриевую соль бетулоновой кислоты в бетулиновую кислоту, причем восстановление осуществляют в воде при комнатной температуре и концентрации боргидрида натрия 1,0-6,0 маc.%.A method of producing betulinic acid, comprising oxidizing betulin with chromium oxide (VI) in acetic acid to betulonic acid and reducing sodium borohydride to betulinic acid, characterized in that the sodium salt of betulonic acid is reduced to betulinic acid, the reduction being carried out in water at room temperature and concentration sodium borohydride 1.0-6.0 wt.%.
RU2003119067/04A 2003-06-24 2003-06-24 Method for preparing betulinic acid RU2246500C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003119067/04A RU2246500C1 (en) 2003-06-24 2003-06-24 Method for preparing betulinic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2003119067/04A RU2246500C1 (en) 2003-06-24 2003-06-24 Method for preparing betulinic acid

Publications (2)

Publication Number Publication Date
RU2003119067A true RU2003119067A (en) 2005-01-10
RU2246500C1 RU2246500C1 (en) 2005-02-20

Family

ID=34881398

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003119067/04A RU2246500C1 (en) 2003-06-24 2003-06-24 Method for preparing betulinic acid

Country Status (1)

Country Link
RU (1) RU2246500C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013038314A1 (en) * 2011-09-12 2013-03-21 Stora Enso Oyj Method for preparation of betulinic acid
CN107573397A (en) * 2017-09-13 2018-01-12 江苏耐雀生物工程技术有限公司 A kind of method for preparing betulic acid

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2428426C1 (en) * 2010-03-11 2011-09-10 Нина Борисовна Мельникова Method for obtaining betulinic acid
RU2458933C1 (en) * 2011-05-10 2012-08-20 Государственное образовательное учреждение высшего профессионального образования "Нижегородская государственная медицинская академия" Министерства здравоохранения и социального развития Российской Федерации (ГОУ ВПО НижГМА Минздравсоцразвития России) Method for producing betulinic acid
RU2463041C1 (en) * 2011-05-10 2012-10-10 Государственное образовательное учреждение высшего профессионального образования "Нижегородская государственная медицинская академия" Министерства здравоохранения и социального развития Российской Федерации (ГОУ ВПО НижГМА Минздравсоцразвития России) Method of obtaining betulinic acid
RU2565773C1 (en) * 2014-10-20 2015-10-20 Федеральное государственное бюджетное учреждение науки Институт органической химии Уфимского научного центра Российской академии наук (ИОХ УНЦ РАН) Method for producing betulinic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6232481B1 (en) * 2000-01-11 2001-05-15 Regents Of The University Of Minnesota Method for manufacturing betulinic acid
RU2190622C1 (en) * 2001-12-26 2002-10-10 Рощин Виктор Иванович Method of synthesis of betulinic acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013038314A1 (en) * 2011-09-12 2013-03-21 Stora Enso Oyj Method for preparation of betulinic acid
CN107573397A (en) * 2017-09-13 2018-01-12 江苏耐雀生物工程技术有限公司 A kind of method for preparing betulic acid
CN107573397B (en) * 2017-09-13 2019-07-30 江苏耐雀生物工程技术有限公司 A method of preparing betulic acid

Also Published As

Publication number Publication date
RU2246500C1 (en) 2005-02-20

Similar Documents

Publication Publication Date Title
JP2006257553A5 (en)
RU2003119067A (en) METHOD FOR PRODUCING BETULIN ACID
CN102091024B (en) Formula of skin care shower gel
DE60121152D1 (en) MEANS OF CORROSION PREVENTION
MA25925A1 (en) CRYSTALLINE METAL SALTS OF GLUCOSAMINE SULFATE.
JP2009543851A5 (en)
CN102418107A (en) Cleaning agent for high-temperature fracture surface of heat-resistant steel and application thereof
JP2005163117A5 (en)
CN201697215U (en) Bathroom warmer with low-voltage mercury lamp
CN204356177U (en) Based on the acidic oxidized electric potential water maker of dual electrolysis
JP2001107078A5 (en)
CN2934445Y (en) Ceramic tile for corner
IL171302A (en) Preparation of fluid dough
CN1069081A (en) The compound method of pickling slow-corrosive agent for copper heat exchanger
CN201643012U (en) Full-automatic-sensing ozone-sterilization and disinfection generator
CN2894469Y (en) Bathing mirror
CN2934374Y (en) Disinfection tank
CN207608429U (en) A kind of sanitary sewage filtering disinfection unit of simple and efficient
CN206916872U (en) The cleaning device and toilet of acid water can be provided
RU2003105728A (en) COMPOSITION 102A FOR DEMERCURIZATION OF OBJECTS AFFECTED BY MERCURY AND METHOD OF ITS APPLICATION
BR8203073U (en) Arrangement introduced in automatic gizzard processor
RU99109296A (en) METHOD FOR PROCESSING SULFURIC ACID TO ALUMINUM SULPHATE
RU2006145747A (en) METHOD OF IMMOBILIZATION OF METAL MERCURY
Wheatley Beware super bugs!
CN103655290A (en) Hydrating shower gel

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20070625