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ChemicalBook > CAS DataBase List > (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole

(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole

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Product Name
(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
CAS No.
112022-81-8
Chemical Name
(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
Synonyms
(S)-2-METHYL-CBS-OXAZABOROLIDINE;(S)-1-METHYL-3,3-DIPHENYLHEXAHYDROPYRROLO[1,2-C][1,3,2]OXAZABOROLE;(S)-ME CBS;(S)-Me-CBS Catalyst;(S)-2-METHYL-CBS-OXAZABOROL;(S)-(-)-2-METHYL-CBS-OXAZABOROLIDINE;(s)-(-)-2-methyl-cbs-oxazaborolidine solution;(S)-5,5-DIPHENYL-2-METHYL-3,4-PROPANO-1,3,2-OXAZABOROLIDINE;(S)-Tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, 0.9-1.1M in toluene [(S)-Methyloxazaborolidine;(s)-methyl
CBNumber
CB3106062
Molecular Formula
C18H20BNO
Formula Weight
277.17
MOL File
112022-81-8.mol
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(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole Property

Melting point:
115-117°C
Boiling point:
111 °C
Density 
0.93 g/mL at 20 °C(lit.)
refractive index 
-68 ° (C=1, MeOH)
Flash point:
40 °F
storage temp. 
room temp
form 
Liquid
pka
1.02±0.40(Predicted)
color 
Colorless to amber
Water Solubility 
Hydrolyzes in water.
Sensitive 
Air & Moisture Sensitive
BRN 
8492123
Exposure limits
ACGIH: TWA 20 ppm
OSHA: Ceiling 300 ppm; TWA 200 ppm
NIOSH: IDLH 500 ppm; TWA 100 ppm(375 mg/m3); STEL 150 ppm(560 mg/m3)
InChIKey
VMKAFJQFKBASMU-KRWDZBQOSA-N
CAS DataBase Reference
112022-81-8(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi,Xn,F
Risk Statements 
36/37/38-67-65-63-48/20-11-19-40
Safety Statements 
26-62-36/37-33-29-16
RIDADR 
UN 1294 3/PG 2
WGK Germany 
3
F 
10-21
HazardClass 
3
PackingGroup 
II
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H318Causes serious eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
457701
Product name
(S)-(?)-2-Methyl-CBS-oxazaborolidine solution
Purity
1 M in toluene
Packaging
5ml
Price
$98.6
Updated
2024/03/01
Sigma-Aldrich
Product number
457701
Product name
(S)-(?)-2-Methyl-CBS-oxazaborolidine solution
Purity
1 M in toluene
Packaging
25ml
Price
$345
Updated
2024/03/01
TCI Chemical
Product number
D2131
Product name
(S)-5,5-Diphenyl-2-methyl-3,4-propano-1,3,2-oxazaborolidine
Purity
>98.0%(T)
Packaging
1g
Price
$84
Updated
2024/03/01
TCI Chemical
Product number
D2131
Product name
(S)-5,5-Diphenyl-2-methyl-3,4-propano-1,3,2-oxazaborolidine
Purity
>98.0%(T)
Packaging
5g
Price
$331
Updated
2024/03/01
Alfa Aesar
Product number
L09219
Product name
(S)-2-Methyl-CBS-oxazaborolidine monohydrate, 94%
Packaging
1g
Price
$272
Updated
2021/12/16
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(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole Chemical Properties,Usage,Production

Reaction

  1. Convenient catalyst for the enantioselective borane reduction of ketones at ambient temperatures.
  2. Asymmetric synthesis of α-chiral hydroxyalkylphosphines via a catalytic, enantioselective reduction of acylphosphines.
  3. Nickel-catalyzed cross-couplings of benzylic pivalates with arylboroxines: Stereospecific formation of diarylalkanes and triarylmethanes.
  4. Enantioselective reduction of prochiral ketones with NaBH4/Me2SO4/(S)-Me-CBS.

Chemical Properties

Colorless to yellow liquid

Uses

(S)-2-Methyl-CBS-oxazaborolidine is used as an oxazaborolidine catalyst. It is also employed in the asymmetric reduction of prochiral ketones. Other applications include the enantioselective synthesis of α-hydroxy acids, α-amino acids, C2-symmetrical ferrocenyl diols and propargyl alcohols. It is an anhydrous catalyst for 'CBS' reduction reaction.

Uses

suzuki reaction

(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole Preparation Products And Raw materials

Raw materials

Trimethylboroxine PHENYLMAGNESIUM BROMIDE L-Proline Tetrahydrofuran Dichloromethane Thionyl chloride

Preparation Products

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(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole Suppliers

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View Lastest Price from (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole manufacturers

Henan Aochuang Chemical Co.,Ltd.
Product
(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole 112022-81-8
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1Ton
Release date
2022-09-26
Zhuozhou Wenxi import and Export Co., Ltd
Product
(S)-()-2-Methyl-CBS-oxazaborolidine solution 112022-81-8
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27
Career Henan Chemical Co
Product
(S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole 112022-81-8
Price
US $1.00/kg
Min. Order
1kg
Purity
95%-99%
Supply Ability
as request
Release date
2018-12-23

112022-81-8, (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaboroleRelated Search:

(4S)-(+)-4-Benzyl-3-propionyl-2-oxazolidinone Phosphorus trichloride 4-Methoxybenzoic acid Lithium hydride Tetrahydrofuran CATECHOLBORANE (S)-(-)-α,α-Diphenyl-2-pyrrolidinemethanol L-(+)-Prolinol Methylboronic acid (R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole (R)-Tetrahydro-1,3,3-triphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxaborole, 99% (R)-Phenyl oxazaborolidine (S)-O-TOLYL-CBS-OXAZABOROLIDINE, 0.5M I& (S)-Tetrahydro-1,3,3-triphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxaborole, 99% (S)-Phenyl oxazaborolidine (S)-CBS-BORANE COMPLEX (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole (R)-O-TOLYL-CBS-OXAZABOROLIDINE, 0.5M I&

  • (S)-1-METHYL-3,3-DIPHENYL-TETRAHYDRO-PYRROLO[1,2C][1,3,2]OXAZABOROLE
  • α,α-diphenyl-l-prolinol methylboronic acid cycl-amide-ester
  • (S)-(+)-Methyl-CBS-oxazaborolidine
  • (S)-1-METHYL-3,3-DIPHENYLHEXAHYDROPYRROLO[1,2-C][1,3,2]OXAZABOROLE
  • (S)-5,5-DIPHENYL-2-METHYL-3,4-PROPANO-1,3,2-OXAZABOROLIDINE 98+%
  • (S)-METHYL-CBS-OXAZABOROLIDINE,1M SOLN.IN TOLUENE
  • (S)-Me-CBS Catalyst
  • (S)-Methyl oxazaborolidine, in toluene, 1M solution
  • (S)-3,3-DIPHENYL-1-METHYLTETRAHYDRO-3H-P YRROLO-OXAZABOROLE
  • (S)-2-METHYL-CBS-OXAZABOROLIDINE, 1M SOL UTION IN TOLUENE
  • (S)-2-METHYL-CBS-OXAZABOROLIDINE, 1M IN&
  • (S)-Methyloxazaborolidine,1-1.5Mintoluene[(S)-MeCBS]CoreyCatalyst
  • (s)-(-)-2-methyl-cbs-oxazaborolidine solution
  • (s)-2-methyl-cbs-oxazaborolidine, 1m soln. in toluene
  • (S)-1-Methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2c][1,3,2]oxazaborole, (S)-3,3-Diphenyl-1-methyltetrahydro-3H-pyrrolo[1,2-c][1,3,2]oxazaborole, (S)-Tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, α,α-Diphenyl-L-prolinol methylboronic acid cycl-amide ester
  • (S)-Tetrahydro-1-methyl-3,3-triphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, 1-1.5M in toluene [(S)-Methyl oxazaborolidine] Corey Catalyst
  • (3aS)-1-Methyl-3,3-diphenyl-3aβ,4,5,6-tetrahydro-3H-pyrrolo[1,2-c][1,3,2]oxazaborole
  • (3aS)-1-Methyl-3,3-diphenyl-tetrahydro-3H-pyrrolo[1,2-c][1,3,2]oxazaborole
  • (3aS)-3,3aβ,4,5-Tetrahydro-1-methyl-3,3-diphenyl-6H-1-bora-2-oxa-6a-azapentalene
  • (3aS)-3,3-Diphenyl-1-methyltetrahydro-3H-pyrrolo[1,2-c][1,3,2]oxazaborole
  • (3aS)-3aβ,4,5,6-Tetrahydro-1-methyl-3,3-diphenyl-3H-pyrrolo[1,2-c][1,3,2]oxazaborole
  • (S)-()-2-Methyl-CBS-oxazaborolidine solution 1 M in THF
  • (S)-2-Methyl-CBS-oxazaborolidine (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
  • (S)-(-)-2-Methyl-CBS-oxazaborolidine >=95.0%
  • (S)-(-)-2-Methyl-CBS-oxazaborolindine
  • (S)-2-methyl-CBS-oxazaborolidine(1mol/L)
  • (S)-2-methyl-CBS-oxazaborolidine(solid)
  • (S)-Tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, 0.9-1.1M in toluene [(S)-Methyloxazaborolidine
  • (S)-Tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, 0.9-1.1M in toluene [(S)-Methyloxazaborolidine] (S)-CBS Catalyst
  • (3aS)-1-methyl-3,3-diphenyl-3a,4,5,6-tetrahydropyrrolo[1,2-c][1,3,2]oxazaborole
  • (S)-(-)-2-Methyl-CBS-oxazaborolidine, 1.0 M solution in toluene, J&KSeal
  • (S)-2-METHYL-CBS-OXAZABOROL
  • (S)-(-)-2-MethyL
  • (S)-5,5-Diphenyl-2-methyl-3,4-propano-1,3,2-oxazaborolidine - 1.0M in toluene
  • (3aβ)-1-Methyl-3,3-diphenyltetrahydro-3H-pyrrolo[1,2-c][1,3,2]oxazaborole
  • 1-(S)-methyl CBS oxazaborolidine
  • (S)-Tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole,0.9-1.1Mintoluene[(S)-Methyloxazaborolidine]CoreyCatalyst
  • (S)-(-)-2-METHYL-CBS-[1,3,2]OXAZABOROLIDINE IN,TOLUENE
  • (S)-2-Methyl-CBS-oxazaborolidine ,98%
  • ALPHA,ALPHA-DIPHENYL-L-PROLINOL METHYLBORONIC ACID CYCL-AMIDE ESTER
  • (S)-(-)-2-Methyl-CBS-oxazaborolidine, 1M solution in toluene, AcroSeal
  • 1-Methyl-3,3-diphenyl-tetrahydro-pyrrolo[1,2-c][1,3,2]oxazaborole
  • (S)-5,5-DIPHENYL-2-METHYL-3,4-PROPANO-1,3,2-OXAZABOROLIDINE
  • (S)-(-)-2-METHYL-CBS-OXAZABOROLIDINE
  • (S)-2-METHYL-CBS-OXAZABOROLIDINE
  • (S)-2-METHYL-CBS-OXAZABOROLIDINE MONOHYDRATE
  • (S)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
  • (S)-3,3-DIPHENYL-1-METHYLTETRAHYDRO-1H,3H-PYRROLO[1,2-C][1,3,2]OXAZABOROLE
  • (S)-3,3-DIPHENYL-1-METHYLTETRAHYDRO-3H-PYRROLO-[1,2-C][1,3,2]OXAZABOROLE
  • (S)-ME CBS
  • (S)-METHYL OXAZABOROLIDINE
  • (S)-TETRAHYDRO-1-METHYL-3,3-DIPHENYL-1H,3H PYRROLO[1,2-C][1,3,2] OXAZABOROLE
  • (s)-methyl
  • (s)-methyloxazaborolidine,(s)-mecbs,in
  • (s)-methyloxazaborolidine,(s)-mecbs,intoluene
  • (S)-Methyloxazaborolidine,1-1.5Mintoluene[(S)-MeCBS]
  • (S)-Tetrahydro-1-Methyl-3
  • 0.9-1.1Mintoluene[(S)-Methyloxazaborolidine]CoreyCatalyst