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543306

Sigma-Aldrich

2,7-Di-tert-butylfluorene

98%

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5 G
¥6,230
25 G
¥29,600

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5 G
¥6,230
25 G
¥29,600

About This Item

Empirical Formula (Hill Notation):
C21H26
CAS Number:
58775-05-6
Molecular Weight:
278.43
MDL number:
MFCD03093998
UNSPSC Code:
12352100
PubChem Substance ID:
24878674
NACRES:
NA.22

¥6,230

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Assay

98%

mp

121-124 °C (lit.)

SMILES string

CC(C)(C)c1ccc-2c(Cc3cc(ccc-23)C(C)(C)C)c1

InChI

1S/C21H26/c1-20(2,3)16-7-9-18-14(12-16)11-15-13-17(21(4,5)6)8-10-19(15)18/h7-10,12-13H,11H2,1-6H3

InChI key

DFZYPLLGAQIQTD-UHFFFAOYSA-N

Related Categories

General description

2,7-Di-tert-butylfluorene can be synthesized by reacting fluorene, CS2 and FeCl3 and 2-chloro-2-methylpropane.[1] It can also be obtained by reacting fluorene with tert-butyl chloride in the presence of FeCl3.[2]

Application

2,7-Di-tert-butylfluorene may be used in the preparation of:
  • 2,7-di-tert-butyl-9-fluorenylmethanol[1]
  • 2,7-di-tert-butyl-9-[ [(p-chlorophenyl)amino]methylene]-fluorene[2]
  • dihydrocyclohepta[def]fluorene[3]
  • new group 4 metal complexes containing aminofluorenyl ligands[4]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

543306-VAR:
543306-5G:
543306-25G:
543306-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKBV6713V
MKBH1078V
MKBG0052
MKBG0052V
MKBC6956

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Miller SA and Bercaw JE.
Organometallics, 19, 5608-5608 (2000)
Synthesis and Properties of Kinetically Stabilized Cyclohepta [def] fluorene Derivatives.
Grieser, UD and Hafner K.
Chemische Berichte, 127(11), 2307-2314 (1994)
Investigation of the reaction between amino acids or amino acid esters and 9-formylfluorene and its equivalents. Possible utility of the derived enamines as amino group protectants.
Carpino LA, et al.
The Journal of Organic Chemistry, 54(18), 4302-4313 (1989)
Fmoc: a more soluble analogue of the 9-fluorenylmethoxycarbonyl protecting group.
K D Stigers et al.
The Journal of organic chemistry, 65(12), 3858-3860 (2000-06-24)

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