Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2'',3'(2''aH,4'H)-dione,3'',4'',5'',5''a,7'',8'',8''a,8''b-octahydro-2''a,5''a,7''-trimethyl-,(2'S,2''aS,5'R,5''aS,7''R,8''aR,8''bR)- (170554-74-2)

Identification
Name:	Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2'',3'(2''aH,4'H)-dione,3'',4'',5'',5''a,7'',8'',8''a,8''b-octahydro-2''a,5''a,7''-trimethyl-,(2'S,2''aS,5'R,5''aS,7''R,8''aR,8''bR)-
Synonyms:	Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2'',3'(2''aH,4'H)-dione,3'',4'',5'',5''a,7'',8'',8''a,8''b-octahydro-2''a,5''a,7''-trimethyl-,[2''aS-[2''aa,5''ab,6''a(R*),7''a,8''aa,8''ba]]-; Marrubinone A
CAS:	170554-74-2
Molecular Formula:	C20H26 O5
Molecular Structure:
Properties
Safety Data

Other Product

Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]- naphtho[1,8-bc]furan]-2'',3''(2''aH,4''H)-dione,4',5',5'',5''a,7'',8'',8''a,8''b-octahydro-2''a,5''a,- 7''-trimethyl-,(2'R,2''aR,5'R,5''aS,7''R,8''aR,- 8''bR)-
Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2'',3'(2''aH,4'H)-dione,3'',4'',5'',5''a,7'',8'',8''a,8''b-octahydro-2''a,5''a,7''-trimethyl-,(2'R,2''aS,5'R,5''aS,7''R,8''aR,8''bR)- (9CI)
Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2''(2''aH)-one,3',3'',4',4'',5'',5''a,7'',8'',8''a,8''b-decahydro-2''a,5''a,7''-trimethyl-,(2'R,2''aS,5''aS,6''R,7''R,8''aR,8''bR)- (9CI)
Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]- naphtho[1,8-bc]furan]-2'',8''(2''aH,7''H)-dione,7''-(acetyloxy)decahydro-5-methoxy-2''a,4''a,- 7''-trimethyl-,(2'R,2''aS,5R,5'S,5''aS,7''R,- 8''aS,8''bR)-
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(4'H)-dione,5-(3-furanyl)-4,5,5',5'a,7',8',8'a,8'b-octahydro-8'b-(hydroxymethyl)-7'-methyl-,(3R,5R,5'aS,7'R,8'aR,8'bR)- (9CI)
Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2'',5,8''(2''aH,4H,7''H)-trione,7''-(acetyloxy)octahydro-2''a,5''a,7''-trimethyl-, (2'R,2''aS,5'S,5''aS,7''R,8''aS,8''bR)-(9CI)
Dispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2'',8''(2''aH,7''H)-dione,7''-(acetyloxy)decahydro-5-hydroxy-2''a,4''a,7''-trimethyl- (9CI)
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]- furan]-2,2'(2'aH)-dione,5-(3-furanyl)- decahydro-2'a-hydroxy-8'b-(hydroxymethyl)- 7'-methyl-,(2'aR,3R,5S,,5'aS,7'R,8'aR,8'bR)-
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(2'aH)-dione,5-(3-furanyl)-3',4,4',5,5',7',8',8'a-octahydro-4'-hydroxy-7'-methyl-,(2'aS,3R,4S,4'R,7'R,8'aR)- (9CI)
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(2'aH)-dione,8'b-[(acetyloxy)methyl]-5-(3-furanyl)decahydro-7'-methyl-,(2'aR,3R,5S,5'aS,7'R,8'aS,8'bR)- (9CI)
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(4'H)-dione,5-(3-furanyl)-4,5,5',5'a,7',8',8'a,8'b-octahydro-8'b-(hydroxymethyl)-7'-methylene-,(3S,5S,5'aS,8'aR,8'bR)- (9CI)
(2''aS,3S,5'R,8''aα,8''bα)-Decahydro-5''aβ-acetoxymethyl-2''a,7''α-dimethyldispiro[furan-3(2H),2'(5'H)-furan-5',6''-[6H]naphtho[1,8-bc]furan]-2'',5(2''aH,4H)-dione
Dispiro[furan-3(2H),2'(5'H)-furan-5',1''(2''H)-naphthalen]-3''(4''H)-one,3',4',4''a,5'',6'',7'',8'',8''a-octahydro-2'',5'',5'',8''a-tetramethyl-,(1''R,2'R,2''S,4''aS,8''aS)-
Dispiro[furan-3(2H),2'(5'H)-furan-5',7''-[7H]- naphtho[2,1-d][1,3]dioxin]-5(4H)-one,dodecahydro-3'',6''a,8'',10''b-tetramethyl-,(2'S,3''R,4''aS,5'R,6''aS,8''R,10''aS,10''bR)-
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(4'H)-dione,5-(3-furanyl)-3',4,5,5',5'a,7',8',8'a-octahydro-3'-hydroxy-7'-methyl-,(3R,3'S,5S,5'aR,7'R,8'aR)- (9CI)
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(4'H)-dione,5-(3-furanyl)-3',4,5,5',5'a,7',8',8'a-octahydro-4'-hydroxy-7'-methyl-,(3R,4'R,5S,5'aS,7'R,8'aR)- (9CI)
Dispiro[furan-3(2H),1'(5'H)-naphthalene-5',2''-oxirane]-2,4'(4'aH)-dione,4'a-[(acetyloxy)methyl]-5-(3-furanyl)octahydro-7'-hydroxy-2'-methyl-,(1'R,2'R,2''R,4'aS,5S,7'S,8'aS)- (9CI)
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(4'H)-dione,5-(3-furanyl)-3',4,5,5',5'a,7',8',8'a-octahydro-8'-hydroxy-7'-methyl-,(3S,5S,5'aS,7'S,8'S,8'aR)-
Spiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]- furan]-2,2'(4'H)-dione,5-(3-furanyl)-3',4,5,- 5',5'a,7',8',8'a-octahydro-3'-hydroxy-7'- methyl-,(3R,3'S,5S,5'aS,7'R,8'aS)-
Dispiro[furan-3(2H),1'(5'H)-naphthalene-5',2''-oxiran]-4'(4'aH)-one,2,6'-bis(acetyloxy)-4'a-[(acetyloxy)methyl]-5-(3-furanyl)octahydro-2'-methyl-,(1'R,2R,2'R,2''R,4'aS,5S,6'S,8'aR)- (9CI)