Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, octahydro-7',8'-dimethyl-2'-oxo-, [1'R-(1'a,4'aa,5'a,6'ab,7'a,8'b,9'aR*)]- (9CI) (156900-92-4)

Identification
Name:	Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, octahydro-7',8'-dimethyl-2'-oxo-, [1'R-(1'a,4'aa,5'a,6'ab,7'a,8'b,9'aR*)]- (9CI)
Synonyms:	2,3,6,7-Tetrahydropentalenolactone
CAS:	156900-92-4
Molecular Formula:	C15H20 O5
Molecular Weight:	0
InChI:	InChI=1/C15H20O5/c1-7-4-14-10(8(7)2)3-9(12(16)17)11(14)5-19-13(18)15(14)6-20-15/h7-11H,3-6H2,1-2H3,(H,16,17)
Molecular Structure:
Properties
Flash Point:	186.9°C
Boiling Point:	491.9°Cat760mmHg
Density:	1.34g/cm³
Refractive index:	1.57
Flash Point:	186.9°C
Safety Data

Other Product

Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, 4',4'a,6'a,7',8',9'-hexahydro-8',8'-dimethyl-2'-oxo-, methyl ester,[1'R-(1'a,4'aa,6'ab,9'aR*)]- (9CI)
Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, 4',4'a,6'a,7',8',9'-hexahydro-8',8'-dimethyl-2',7'-dioxo-, [1'R-(1'a,4'aa,6'ab,9'aS*)]- (9CI)
Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, 4',4'a,6'a,7'-tetrahydro-7',8'-dimethyl-2'-oxo-,(1'R,4'aR,6'aR,7'S,9'aS)-
Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]-5'-carboxylicacid, 4',4'a,6'a,7',8',9'-hexahydro-8',8'-dimethyl-2'-oxo-,(1'S,4'aR,6'aS,9'aR)- (9CI)
Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]- 5'-carboxylic acid,4',4'a,6'a,7',8',9'-hexahydro- 7'-methyl-8'-methylene-2'-oxo-,(1'R,4'aR,- 6'aR,7'S,9'aR)-
Spiro[oxirane-2,1'(2'H)-pentaleno[1,6a-c]pyran]- 5'-carboxylic acid,4',4'a,6'a,9'-tetrahydro-7',- 8'-dimethyl-2'-oxo-,(1'R,4'aR,6'aR,9'aR)-
Spiro[benzofuran-2(3H),1'(2'H)-naphthalene]-7-carboxaldehyde,3',4',4'a,5',6',7',8',8'a-octahydro-4,6',7'-trihydroxy-6-(hydroxymethyl)-2',5',5',8'a-tetramethyl-,[1'R-(1'a,2'a,4'aa,6'a,7'a,8'ab)]- (9CI)
Spiro[benzofuran-2(3H),1'(2'H)-naphthalene]-7-carboxaldehyde,3',4',4'a,5',6',7',8',8'a-octahydro-4,6'-dihydroxy-6-(hydroxymethyl)-2',5',5',8'a-tetramethyl-,[1'R-(1'a,2'a,4'aa,6'a,8'ab)]- (9CI)
Spiro[furan-2(3H),1'(4'H)-naphthalene]-5-aceticacid, 2'-formyl-4,4'a,5,5',6',7',8',8'a-octahydro-5,5',5',8'a-tetramethyl-,[1'S-[1'a(R*),4'aa,8'ab]]- (9CI)
Spiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione,10'-(acetyloxy)-4'b,5',6',7',8',8'a,9',10'-octahydro-3',9'-dihydroxy-2,4'b-dimethyl-7',8'-bis(methylene)-,[2'S-[2'a(S*),3'a,4'bb,8'aa,9'b,10'a]]- (9CI)
Spiro[benzofuran-2(6H),1'(2'H)-naphthalene]-7-carboxaldehyde,3',4',4'a,5',6',7',8',8'a-octahydro-5-hydroxy-2',5',5',8'a-tetramethyl-6-oxo-,(1'R,2'S,4'aR,8'aR)-rel-
Spiro[3H-indole-3,1'(5'H)-[3,7]methanoindolizine]-9'-carboxylicacid,6'-ethylidene-1,2,2',3',6',7',8',8'a-octahydro-9'-(hydroxymethyl)-1-methyl-2-oxo-,methyl ester, (1'S,3'S,6'E,7'S,8'aS,9'R)- (9CI)
Spiro[furan-3(2H),1'(2'H)-naphthalene]-5'-carboxylicacid,4'-(acetyloxy)-5-(3-furanyl)-3',4,4',4'a,5,7',8',8'a-octahydro-2',4'a-dimethyl-2-oxo-,methyl ester, (1'R,2'R,4'S,4'aR,5S,8'aS)- (9CI)
Spiro[furo[3,2-b]furan-2(3H),9'-[3,7]methanofuro[2,3-b]oxepin]-7'(6'H)-carboxylicacid,6'-(3-furanylcarbonyl)-2',3',3a,3'a,5,6,6a,8'a-octahydro-3',6',8'a-trimethyl-3a-(1-methylethenyl)-2',5-dioxo-,methyl ester, (2S,3'S,3aR,3'aS,6'R,6aS,7'R,8'aR)- (9CI)
Spiro[oxirane-2,1'(2'H)-phenanthren]-2'-one,7'-ethenyl-4'a,4'b,5',6',7',8',8'a,9',10',10'adecahydro- 3',10'-dihydroxy-4'b,7',10'atrimethyl-,(1'R,4'aR,4'bS,7'S,8'aR,10'R,10'aR)- rel-
Spiro[3H-indole-3,1'(5'H)-indolizine]-7'-acetic acid,6'-ethyl-1,2,2',3',6',7',8',8'a-octahydro- 4-hydroxy-R-(methoxymethylene)-2-oxo-,methyl ester,(RE,1'R,6'R,7'S,8'aR)-
Spiro[4H-cyclopropa[4,5]pentaleno[1,6a-c]pyran-1(2H),2'-oxirane]-5-carboxylicacid, 4a,6a,6b,7,7a,8-hexahydro-7a-methyl-2-oxo-, (1R,4aR,6aR,6bS,7aR,8aR)-(9CI)
Spiro[4H-furo[3,2-c]pyran-2(3H),8'-[3,6]methano[6H]furo[2,3-b]pyran]-6'-carboxylicacid,5'-[(1R)-2-(3-furanyl)-1-methyl-2-oxoethyl]-2',3',3a,3'a,4',5',6,7'a-octahydro-3',4,4,7'a-tetramethyl-2',6-dioxo-,methyl ester, (2R,3'S,3aS,3'aS,5'R,6'R,7'aR)- (9CI)
Spiro[furan-3(2H),1'(2'H)-phenanthren]-5(4H)- one,2'-[(1R,2S)-2-(acetyloxy)-1-methyl-3- [(2S,4R)-tetrahydro-4-methyl-5-oxo-2- furanyl]propyl]-3',4',4'a,4'b,5',6',7',8',8'a,9',10',- 10'a-dodecahydro-7'-hydroxy-4'b,8',8',10'atetramethyl-,(1'S,2'R,4'aR,4'bR,7'S,8'aR,- 10'aR)-
Spiro[furan-3(2H),1'(4'H)-naphthalene]-2,4'-dione,5'-[(acetyloxy)methyl]-5-(3-furanyl)-2',3',4,5,6',7',8',8'a-octahydro-2'-methyl-,(1'R,2'R,5S,8'ab)-(9CI)