ECSP961646A - PREPARATION PROCESS OF (2R, 3S) -3-BENZOYLAMINO - 2 - HYDROXY - 3 - FENYL-PROPIONATE 4, 10 - DIACETOXI - 2 a- BENZOYLOXI - 5ß, 20 - EPOXI- 1, 7ß - DIHIDROXI - 9 - OXO - TAX - 11 - EN - 13 ßYLE - Google Patents

PREPARATION PROCESS OF (2R, 3S) -3-BENZOYLAMINO - 2 - HYDROXY - 3 - FENYL-PROPIONATE 4, 10 - DIACETOXI - 2 a- BENZOYLOXI - 5ß, 20 - EPOXI- 1, 7ß - DIHIDROXI - 9 - OXO - TAX - 11 - EN - 13 ßYLE

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Publication number
ECSP961646A
ECSP961646A ECSP961646A ECSP961646A EC SP961646 A ECSP961646 A EC SP961646A EC SP961646 A ECSP961646 A EC SP961646A EC SP961646 A ECSP961646 A EC SP961646A
Authority
EC
Ecuador
Prior art keywords
benzoylamino
tax
oxo
hydroxy
ßyle
Prior art date
Application number
Other languages
Spanish (es)
Inventor
Eric Didier
Jean Rene Authelin
Isabelle Taillepied
Franck Leveiller
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 filed Critical
Priority to ECSP961646 priority Critical patent/ECSP961646A/en
Publication of ECSP961646A publication Critical patent/ECSP961646A/en

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Abstract

El invento se refiere a un procedimiento de preparación de trihidrato de (2R,3S)- 3-benzoylamino-2-hidroxi-3-fenilpropionato de 4, 10 -diacetoxi -2 <<-benzoyloxi -5B, 20 -epoxi-1,7B dihidroxi -9- oxo- tax- 11 en -13<<yle en una mezcla de agua y alcohol alifático que contenga 1 a 3 átomos de carbono, después de seco el producto bajo presión reducida, se lo mantiene eventualmente dentro de condiciones de humedad relativa superiores a 20%.The invention relates to a process for the preparation of (2R, 3S) -3-benzoylamino-2-hydroxy-3-phenylpropionate of 4,10-diacetoxy -2 << - benzoyloxy -5B, 20 -epoxy-1, 7B dihydroxy -9- oxo-tax- 11 en -13 << yle in a mixture of water and aliphatic alcohol containing 1 to 3 carbon atoms, after drying the product under reduced pressure, it is eventually kept under conditions of relative humidity greater than 20%.

ECSP961646 1996-01-23 1996-01-23 PREPARATION PROCESS OF (2R, 3S) -3-BENZOYLAMINO - 2 - HYDROXY - 3 - FENYL-PROPIONATE 4, 10 - DIACETOXI - 2 a- BENZOYLOXI - 5ß, 20 - EPOXI- 1, 7ß - DIHIDROXI - 9 - OXO - TAX - 11 - EN - 13 ßYLE ECSP961646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ECSP961646 ECSP961646A (en) 1996-01-23 1996-01-23 PREPARATION PROCESS OF (2R, 3S) -3-BENZOYLAMINO - 2 - HYDROXY - 3 - FENYL-PROPIONATE 4, 10 - DIACETOXI - 2 a- BENZOYLOXI - 5ß, 20 - EPOXI- 1, 7ß - DIHIDROXI - 9 - OXO - TAX - 11 - EN - 13 ßYLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ECSP961646 ECSP961646A (en) 1996-01-23 1996-01-23 PREPARATION PROCESS OF (2R, 3S) -3-BENZOYLAMINO - 2 - HYDROXY - 3 - FENYL-PROPIONATE 4, 10 - DIACETOXI - 2 a- BENZOYLOXI - 5ß, 20 - EPOXI- 1, 7ß - DIHIDROXI - 9 - OXO - TAX - 11 - EN - 13 ßYLE

Publications (1)

Publication Number Publication Date
ECSP961646A true ECSP961646A (en) 1997-06-11

Family

ID=42042380

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP961646 ECSP961646A (en) 1996-01-23 1996-01-23 PREPARATION PROCESS OF (2R, 3S) -3-BENZOYLAMINO - 2 - HYDROXY - 3 - FENYL-PROPIONATE 4, 10 - DIACETOXI - 2 a- BENZOYLOXI - 5ß, 20 - EPOXI- 1, 7ß - DIHIDROXI - 9 - OXO - TAX - 11 - EN - 13 ßYLE

Country Status (1)

Country Link
EC (1) ECSP961646A (en)

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