(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
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![(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220811/081593b4e7fd4799a778abf4e73632bc.png "(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole")
(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
structure -
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CAS No:
112022-83-0
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Formula:
C18H20BNO
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Chemical Name:
(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
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Synonyms:
ALPHA,ALPHA-DIPHENYL-D-PROLINOL METHYLBORONIC ACID CYCL-AMIDE-ESTER;(R)-Methyloxazaborolidine,1-1.5Mintoluene[(R)-MeCBS]CoreyCatalyst;(r)-2-methyl-cbs-oxazaborolidine, 1m soln. in toluene;α,α-diphenyl-d-prolinol methylboronic acid cycl-amide-ester;α,α-diphenyl-d-prolinolmethylboronic acid cyclamide ester;(R)-(+)-Methyl-CBS-oxazaborolidine;(R)-Me-CBS Catalyst;α,α-Diphenyl-D-prolinolmethylboronic acid cyclamide ester, (R)-Tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaborole, (R)-1-Methyl,3,3-diphenyl-tetrahydro-pyrrolo(1,2-c)(1,3,2)oxazaborole
- Categories:
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CAS No:
(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole Basic Attributes
277.17
277.17
9059874
000-000-0
Colorless to amber
29319090
Characteristics
12.5
Colorless to amber Liquid
0.95 g/mL at 25 °C
85-95 °C(lit.)
111 °C
40 °F
68 ° (C=1, MeOH)
Not miscible or difficult to mix in water.
2-8°C
1.02±0.40(Predicted)
room temp
Safety Information
II
3
UN 1294 3/PG 2
3
F,Xn,Xi
36/37-62-33-29-16-2-26
F,Xn,Xi
P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P281, P301+P310, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P314, P321, P330, P331, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501
11-38-48/20-63-65-67-36/37-19-40
UN 1294 3/PG 2
|Danger|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P280, P301+P312, P305+P351+P338, P310, P330, and P501|Aggregated GHS information provided by 87 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H224 (57.14%): Extremely flammable liquid and vapor [Danger Flammable liquids]|P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P281, P301+P310, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P314, P321, P330, P331, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 8 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole Use and Manufacturing
suzuki reaction
(R)-2-Methyl-CBS-oxazaborolidine is used 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 also used in a desymmetrizing reduction leading to (S)-4-hydroxycyclohexenone. It is useful in the production of stereospecific motifs such as α-hydroxy acids, α-amino acids, symmetrical ferrocenyl diols and propargyl alcohols.
CBS Catalysts for Asymmetric Reduction and Asymmetric Synthesis
Computed Properties
Molecular Weight:277.2
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:277.1637944
Monoisotopic Mass:277.1637944
Topological Polar Surface Area:12.5
Heavy Atom Count:21
Complexity:344
Defined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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(R)-3,3-Diphenyl-1-methylpyrrolidino[1,2-c]-1,3,2-oxazaborole
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