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745979

tBuBrettPhos Pd G3

96%, solid

Synonym(s):

tert-BuBrettPhos-Pd-G3, [(2-Di-tert-butylphosphino-3,6-dimethoxy-2′,4′,6′-triisopropyl-1,1′-biphenyl)-2-(2′-amino-1,1′-biphenyl)]palladium(II) methanesulfonate

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Size/SKUAvailabilityPrice
100 mg

Available to ship onJuly 22, 2026fromMILWAUKEE

$91.40
$68.55
500 mg

Available to ship onJuly 22, 2026fromMILWAUKEE

$270.00
$202.50
1 g

Estimated to ship onSeptember 07, 2026fromMILWAUKEE

$375.00
2 g

Available to ship onJuly 22, 2026fromMILWAUKEE

$731.00
5 g

Estimated to ship onSeptember 07, 2026fromMILWAUKEE

$1,300.00

About This Item

Empirical Formula (Hill Notation):
C44H62NO5PPdS
CAS Number:
Molecular Weight:
854.43
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22
MDL number:

$68.55

List Price$91.40Save 25%
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Available to ship onJuly 22, 2026Details


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Product Name

tBuBrettPhos Pd G3, 96%

Quality Segment

product line

Buchwald precatalyst Generation 3

assay

96%

form

solid

feature

generation 3

reaction suitability

core: palladium, reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Heck Reaction, reaction type: Hiyama Coupling, reaction type: Negishi Coupling, reaction type: Sonogashira Coupling, reaction type: Stille Coupling, reaction type: Suzuki-Miyaura Coupling, reagent type: catalyst
reaction type: Cross Couplings

mp

119-131 °C

functional group

phosphine

SMILES string

COC1=CC=C(C(P(C(C)(C)C)C(C)(C)C)=C1C2=C(C=C(C=C2C(C)C)C(C)C)C(C)C)OC.NC3=C(C=CC=C3)C4=C(C=CC=C4)[Pd]OS(C)(=O)=O

InChI

1S/C31H49O2P.C12H10N.CH4O3S.Pd/c1-19(2)22-17-23(20(3)4)27(24(18-22)21(5)6)28-25(32-13)15-16-26(33-14)29(28)34(30(7,8)9)31(10,11)12;13-12-9-5-4-8-11(12)10-6-2-1-3-7-10;1-5(2,3)4;/h15-21H,1-14H3;1-6,8-9H,13H2;1H3,(H,2,3,4);/q;;;+1/p-1

InChI key

GAQPAUHHECNHNS-UHFFFAOYSA-M

General description

tBuBrettPhos Pd G3 is a third generation (G3) Buchwald precatalyst that can be used in cross-coupling reactions for the formation of C-C, C–N, C–O, C–F, C–CF3, and C–S bonds. It is air-, moisture-, and thermally-stable and is highly soluble in a wide range of common organic solvents. Some of its unique features include lower catalyst loadings, shorter reaction time, efficient formation of the active catalytic species and accurate control of ligand: palladium ratio.

Application

tBuBrettPhos Pd G3 has been used as a precatalyst for the N-arylation of amino acid esters with aryl triflates under mild reaction conditions and minimal racemization of the amino acid ester.[1] It may also be used to catalyze the conversion of aryl halides to phenols in the presence of benzaldoxime as a hydroxide surrogate.

For small scale and high throughput uses, product is also available as ChemBeads (928313)

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1 of 1

This Item
928313762229763403
description

96%

description

-

description

98%

description

98%

assay

96%

assay

-

assay

98%

assay

98%

reaction suitability

core: palladium, reaction type: Heck Reaction, reaction type: Negishi Coupling, reaction type: Stille Coupling, reagent type: catalyst
reaction type: Cross Couplings, reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Sonogashira Coupling, reaction type: Hiyama Coupling, reaction type: Suzuki-Miyaura Coupling

reaction suitability

-

reaction suitability

-

reaction suitability

core: palladium, reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Heck Reaction, reaction type: Hiyama Coupling, reaction type: Negishi Coupling, reaction type: Sonogashira Coupling, reaction type: Stille Coupling, reaction type: Suzuki-Miyaura Coupling, reagent type: catalyst
reaction type: Cross Couplings

form

solid

form

solid

form

solid

form

solid

functional group

phosphine

functional group

-

functional group

phosphine

functional group

phosphine

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

mp

119-131 °C

mp

-

mp

130-140 °C

mp

188-196 °C (decomposition)


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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