3,3,9,9-tetramethyl-2,3,4,8,9,10-hexahydrodibenzo[d,d']benzo[1,2-b:4,5-b']difuran-1,7-dione (76303-45-2)

Identification
Name:	3,3,9,9-tetramethyl-2,3,4,8,9,10-hexahydrodibenzo[d,d']benzo[1,2-b:4,5-b']difuran-1,7-dione
Synonyms:	NSC348733;AC1L7IM4;NSC-348733;76303-45-2
CAS:	76303-45-2
Molecular Formula:	C₂₂H₂₂O₄
Molecular Weight:	350.4077
InChI:	InChI=1/C22H22O4/c1-21(2)7-13(23)19-11-5-16-12(6-15(11)25-17(19)9-21)20-14(24)8-22(3,4)10-18(20)26-16/h5-6H,7-10H2,1-4H3
Molecular Structure:
Properties
Flash Point:	246.1°C
Boiling Point:	498.3°C at 760 mmHg
Density:	1.222g/cm³
Refractive index:	1.606
Flash Point:	246.1°C
Safety Data

Other Product

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,8',8'- tetramethyl-,(1S,2S,3'R,4'bS,8'aS,9'S,10'S)-
Spiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',- 4'(3'H)-dione,3'-(acetyloxy)-4'b,5',6',7',8',8'a,- 9',10'-octahydro-9',10'-dihydroxy-2,4'b,8',8'- tetramethyl-,(1S,2R,3'R,4'bS,8'aS,9'S,10'S)-
Spiro[cyclopropane-1,2'(3'H)-phenanthrene]-1',4'-dione,10'-(acetyloxy)-4'b,5',6',7',8',8'a,9',10'-octahydro-3',9'-dihydroxy-2,4'b,8',8'-tetramethyl-,(1S,2R,3'R,4'bS,8'aS,9'S,10'S)-
Spiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione,10'-(acetyloxy)-4'b,5',6',8'a,9',10'-hexahydro-3',9'-dihydroxy-2,4'b,7',8'-tetramethyl-,(1S,2S,3'R,4'bS,8'aS,9'S,10'S)- (9CI)
Dispiro[cyclopropane-1,2'(10'H)-phenanthrene-10',2''-phenanthro[3,4-d][1,3]dioxole]-1',4',6'',9'(3'H,8''H)-tetrone,3',6'-bis(acetyloxy)-4'b,5',6',7',8',8'a,9'',10'',11'',11''a-decahydro-5'',7''-dihydroxy-2,4'b,8',8',8'',8'',11''a-heptamethyl-4''-(1-methylethyl)-,(1'S,2S,2''R,3'R,4'bS,6'S,8'aS)- (9CI)
Dispiro[cyclopropane-1,2'(10'H)-phenanthrene-10',2''-phenanthro[3,4-d][1,3]dioxole]-1',4',6'',9'(3'H,8''H)-tetrone,3',6'-bis(acetyloxy)-4'b,5',6',7',8',8'a,9'',10'',11'',11''a-decahydro-5'',7''-dihydroxy-2,4'b,8',8',8'',8'',11''a-heptamethyl-4''-(1-methylethyl)-,(1'S,2S,2''S,3'R,4'bS,6'S,8'aS)- (9CI)
(2S,1S,3'R,4'bS,8'aS,9'S,10'S)-3'-Acetoxy-4'b,5',6',7',8',8'a,9',10'-octahydro-9',10'-dihydroxy-2,4'b,8',8'-tetramethylspiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione
Spiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4',6'(3'H,5'H)-trione,9'-(acetyloxy)-4'b,8'a,9',10'-tetrahydro-3',10'-dihydroxy-2,4'b,7',8'-tetramethyl-,(1S,2S,3'R,4'bS,8'aS,9'S,10'S)- (9CI)
(2S,1S,3'R,4'bS,8'aS,9'S,10'S)-3',10'-Diacetoxy-4'b,5',6',8'a,9',10'-hexahydro-9'-hydroxy-2,4'b,7',8'-tetramethylspiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione
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[6a,9-methano-6aH-benzo[6,7]cyclohepta[1,- 2-b]furan-7(4H),3'(2'H)-oxireno[2,3]azuleno[4,- 5-b]furan]-2,2'(3H)-dione,3a,3'a,4',5,5',6,6',- 6'a,7',7'a,8,8'a,8'b,8'c,9,10b-hexadecahydro-6- hydroxy-3,6,8'a,10-tetramethyl-6'-methylene-,(3S,3'R,3aS,3'aS,6S,6aS,6'aR,7'aR,8'aS,8'bS,- 8'cS,9R,10bS)-
(5aS,6S,9R,9aR)-6-methyl-3-pentyl-9-(prop-1-en-2-yl)-5a,6,7,8,9,9a-hexahydrodibenzo[b,d]furan-1,6-diol
9(10H)-Anthracenone,10-b-D-glucopyranosyl-8-(b-D-glucopyranosyloxy)-1-hydroxy-3-(hydroxymethyl)-
Spiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione,9',10'-bis(acetyloxy)-4'b,5',6',8'a,9',10'-hexahydro-3',6'-dihydroxy-2,4'b,7',8'-tetramethyl-,(1S,2R,3'R,4'bS,6'R,8'aS,9'S,10'S)- (9CI)
Spiro[benzo[1,2-b:5,4-c']dipyran-2(3H),2'(3'H)-naphtho[2,3-b]furan]-7-carboxylicacid,4,5',8',9-tetrahydro-3,3',4',9',10-pentahydroxy-7'-methoxy-5',8',9-trioxo-,methyl ester (9CI)
Spiro[benzo[1,2-b:5,4-c']dipyran-2(3H),2'(3'H)-naphtho[2,3-b]furan]-7-carboxylicacid, 4,5',8',9-tetrahydro-4',9',10-trihydroxy-7'-methoxy-5',8',9-trioxo-,methyl ester, (2S)-
Spiro[furan-2(5H),2'(1'H)-naphtho[2,1-b]furan]-5-one,3'a,4',5',5'a,6',7',8',9',9'a,9'b-decahydro-3,3'a,6',6',9'a-pentamethyl-,(2S,3'aR,5'aS,9'aS,9'bR)-
Spiro[benzofuran-2(3H),1'(2'H)-phenanthrene]-4,5-dione,3',4',4'a,4'b,5',6',7',8',8'a,9',10',10'a-dodecahydro-7'-hydroxy-2',4'b,7,8',8',10'a-hexamethyl-,(1'S,2'S,4'aR,4'bS,7'S,8'aR,10'aR)-
Spiro[3,6-dioxabicyclo[3.1.0]hexane-2,2'(3'H)- [7a,10]epoxy[7aH]benzo[4',5']cyclohept[1',2':4,5]- indeno[2,1-b]pyran]-4,5'-diol,4',4'a,4'b,5',6',- 7',8',9',10',11',11'a,12',13',13'b,14',14'ahexadecahydro- 4',4'b,5,11,11,13b-hexamethyl-,(4'R,4'aR,4'bR,5'R,7'aS,10'S,11'aS,13'bS,14'aS)-
(2S,1S,3'R,4'bS,7'R,8'aR,9'S,10'S)-3',7',9'-Triacetoxy-4'b,5',6',7',8',8'a,9',10'-octahydro-10'-hydroxy-2,4'b,8',8'-tetramethylspiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione