(R)-4-((1R,4Z,8E,10Z,15R,17R)-17-methoxy-5-methyl-3-oxo-2,16-dioxa-bicyclo[13.3.1]nonadeca-4,8,10-trien-17-yl)-3-(4-methoxybenzyl)thiazolidin-2-one → (R)-4-((1R,15R,17R,Z)-17-Methoxy-5-methyl-3-oxo-2,16-dioxa-bicyclo[13.3.1]nonadec-4-en-17-yl)-3-(4-methoxybenzyl)thiazolidin-2-one

Participants

Role	Name	HCID	Charge
Reactant	(R)-4-((1R,4Z,8E,10Z,15R,17R)-17-methoxy-5-methyl-3-oxo-2,16-dioxa-bicyclo[13.3.1]nonadeca-4,8,10-trien-17-yl)-3-(4-methoxybenzyl)thiazolidin-2-one	HCID 59644096	—
Reactant	(R)-4-((1R,4Z,13R,15R)-15-methoxy-5-methyl-3-oxo-2,14-dioxa-bicyclo[11.3.1]heptadeca-4,8-dien-15-yl)-3-(4-methoxybenzyl)thiazolidin-2-one	HCID 67439196	—
Product	(R)-4-((1R,15R,17R,Z)-17-Methoxy-5-methyl-3-oxo-2,16-dioxa-bicyclo[13.3.1]nonadec-4-en-17-yl)-3-(4-methoxybenzyl)thiazolidin-2-one	HCID 59644035	—

Reaction Steps

Application of the method shown in Example 41, with the modification that (R)-4-((1R,4Z,8E,10Z,15R,17R)-17-methoxy-5-methyl-3-oxo-2,16-dioxa-bicyclo[13.3.1]nonadeca-4,8,10-trien-17-yl)-3-(4-methoxybenzyl)thiazolidin-2-one is substituted for (R)-4-((1R,4Z,13R,15R)-15-methoxy-5-methyl-3-oxo-2,14-dioxa-bicyclo[11.3.1]heptadeca-4,8-dien-15-yl)-3-(4-methoxybenzyl)thiazolidin-2-one, affords the title compound.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US07666861B2
Source dataset	uspto-grants-2010_02
ORD ID	ord-4cfbbcd055b24c3cb68a9cb4f2837fd1
Source note	uspto-grants-2010_02