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(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol

Product Name
(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol
CAS No.
22348-32-9
Chemical Name
(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol
Synonyms
RDPP;(R)-DIPHENYL(PYRROLIDIN-2-YL)METHANOL;(R)-DIPHENYLPROLINOL;PYRROLIDINEMETHANOL;idinemethanoL;(R)-(+)-2-(Diphenylh;(R)-(+)-α,α-DiphenyL;Nebivolol Impurity 48;(R)-1-DIPHENYL-PROLINOL;A,A-DIPHENYL-D-PROLINOL
CBNumber
CB1101689
Molecular Formula
C17H19NO
Formula Weight
253.35
MOL File
22348-32-9.mol
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(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol Property

Melting point:
77-80 °C
alpha 
59 º (589nm, c=3, MeOH 25 ºC)
Boiling point:
396.54°C (rough estimate)
Density 
1.0078 (rough estimate)
refractive index 
58 ° (C=2, MeOH)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
almost transparency in Chloroform
form 
solid
pka
13.15±0.29(Predicted)
color 
white to off-white
optical activity
[α]20/D +69°, c = 3 in chloroform
BRN 
4353363
InChIKey
OGCGXUGBDJGFFY-MRXNPFEDSA-N
CAS DataBase Reference
22348-32-9(CAS DataBase Reference)
NIST Chemistry Reference
(R)-alpha-(2-pyrrolidinyl)benzhydryl alcohol(22348-32-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
10-34
TSCA 
No
HS Code 
29221990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
382337
Product name
(R)-(+)-α,α-Diphenyl-2-pyrrolidinemethanol
Purity
98%
Packaging
1g
Price
$153.6
Updated
2024/03/01
Sigma-Aldrich
Product number
382337
Product name
(R)-(+)-α,α-Diphenyl-2-pyrrolidinemethanol
Purity
98%
Packaging
5g
Price
$208
Updated
2024/03/01
TCI Chemical
Product number
D2365
Product name
(R)-(+)-alpha,alpha-Diphenyl-2-pyrrolidinemethanol
Purity
>98.0%(GC)(T)
Packaging
1g
Price
$131
Updated
2024/03/01
TCI Chemical
Product number
D2365
Product name
(R)-(+)-alpha,alpha-Diphenyl-2-pyrrolidinemethanol
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$453
Updated
2024/03/01
Alfa Aesar
Product number
L09218
Product name
(R)-(+)-alpha,alpha-Diphenylprolinol
Purity
99%
Packaging
1g
Price
$148
Updated
2023/06/20
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(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol Chemical Properties,Usage,Production

Chemical Properties

white to faintly yellow crystalline powder

Uses

suzuki reaction

Uses

Used to prepare the corresponding oxazaborolidines for the borane-mediated asymmetric reduction of ketones.

Definition

ChEBI: (r)-alpha,alpha-diphenyl-2-pyrrolidinemethanol is a diarylmethane.

Synthesis

Draw 14 kg of tetrahydrofuran into the reaction kettle. 61.5 kg of a 34% strength solution of phenylmagnesium chloride in tetrahydrofuran was added to the reaction vessel to initiate agitation and cooling cycles. The control temperature is 10 to 60 °C. The dropping time was controlled for 5 to 6 hours, and stirring was continued for 1 hour. Pump 24 kg of concentrated hydrochloric acid (mass concentration 36%) into the matching drip tank of the reaction kettle. constantly dropping, the dropping time is controlled for 1 hour, and the dropping process control temperature does not exceed 45 ° C. After the addition was completed, stirring was continued for 8 hours.Cool down to -5 ° C ~ 5 ° C to obtain (R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol, a total of 17.2 kg, yield 85%.

(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from (R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol 22348-32-9
Price
US $32.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-05-15
Kindchem(Nanjing)Co.,Ltd
Product
(R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanol 22348-32-9
Price
US $0.00-0.00/G
Min. Order
10G
Purity
0.98
Supply Ability
500kg
Release date
2024-01-17
Hebei Guanlang Biotechnology Co., Ltd.
Product
(R)-(+)-alpha,alpha-Diphenyl-2-pyrrolidinemethanol 22348-32-9
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2022-10-19

22348-32-9, (R)-(+)-a,a-Diphenyl-2-pyrrolidinemethanolRelated Search:


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