61585-46-4

Upstream product

• 856453-32-2 (3aR,4R,5R,6aS)-hexahydro-4-((3S,E)-5-phenyl-3-(tetrahydro-2H-pyran-2-yloxy)pent-1-enyl)-5-(tetrahydro-2H-pyran-2-yloxy)-2H-cyclopenta[b]furan-2-ol 

Downstream Products

• 155206-00-1 bimatoprost 
• 856453-36-6 (Z)-N-ethyl-7-((1R,2R,3R,5S)-2-((3S,E)-5-phenyl-3-((tetrahydro-2H-pyran-2-yl)oxy)pent-1-en-1-yl)-3,5-bis((tetrahydro-2H-pyran-2-yl)oxy)cyclopentyl)hept-5-enamide 

Relevant academic research and scientific papers

PROCESS FOR THE PREPARATION OF BIMATOPROST

It is provided a process for the preparation of bimatoprost, which comprises: a) reacting a compound of formula (III) with ethylamine in the presence of a suitable solvent; and b) deprotecting compound obtained in step a) to obtain bimatoprost, wherein R1 is selected from (C1-C16)alkyl, (C1C16)haloalkyl, (C2-C16)alkenyl, (C2-C16)haloalkenyl, (C1-C16)alkoxy(C1-C16)alkyl, aryl, (C1-C16)alkylaryl, allyl, - (CH2-CH2-O)n-CH3 wherein n = 1, 2, 3 or 4, and -CH(O-CH2-CH2)2; R2 is selected from H, (C1-C16)alkyl, (C1-C16)haloalkyl, (C2-C16)alkenyl, (C2- C16)haloalkenyl, (C1-C16)alkoxy(CrC16)alkyl, aryl, (C1-C16)alkylaryl, allyl; or, alternatively, R1 and R2 taken together are selected from -CH2-CH2-CH2-, -CH2-CH2-, -O-CH2-CH2-, and -O-CH=CH-. There are also provided intermediates useful in such preparation process.

PROSTAGLANDIN SYNTHESIS

A process for the preparation of prostaglandin compounds having the formula (I); wherein A is selected from the group consisting Of C1-C6 alkyl; C7-C16 aralkyl wherein the aryl group is optionally substituted with one to three substituents selected from the group consisting Of C1 -C6 alkyl, halo and CF3; and (CH2)nOR' wherein n is from 1 to 3 and R' represents a C6-Cl0 aryl group which is optionally substituted with one to three substituents selected from the group consisting Of C1-C6 alkyl, halo and CF3; B is selected from OR" and NHR" wherein R" is C1-C6 alkyl; and formula (a) represents a double bond or a single bond, is disclosed. Novel intermediates are also disclosed.