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77087-34-4

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Basic Information
CAS No.: 77087-34-4
Name: (4S)-4-hydroxy-3-methyl-2-prop-2-ynyl-cyclopent-2-en-1-one
Article Data: 3
Molecular Structure:
Molecular Structure of 77087-34-4 ((4S)-4-hydroxy-3-methyl-2-prop-2-ynyl-cyclopent-2-en-1-one)
Formula: C9H10 O2
Molecular Weight: 150.177
Synonyms: 2-Cyclopenten-1-one,4-hydroxy-3-methyl-2-(2-propynyl)-, (4S)- (9CI); 2-Cyclopenten-1-one, 4-hydroxy-3-methyl-2-(2-propynyl)-,(S)-; (S)-4-Hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one;(S)-Propargylone
Density: 1.161g/cm3
Boiling Point: 284.6°C at 760 mmHg
Flash Point: 119.4°C
PSA: 37.30000
LogP: 0.65990
Related products
Synthetic route
139107-32-7

C9H11BO4

A

77832-42-9

(R)-4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

B

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
With water; calcium carbonate at 85℃; for 4h; Yield given. Yields of byproduct given;
96189-00-3

(+/-)-4-acetoxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

A

77832-42-9

(R)-4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

B

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
With Arthrobacter lipase; water; methanesulfonyl chloride Product distribution; Multistep reaction; methodology for preparation of secondary (S)-alcohol from the corresponding racemic acetate; further acetates;
90428-87-8

(S)-4-acetoxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

A

77832-42-9

(R)-4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

B

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
With water; nitric acid at 80℃;
90428-87-8

(S)-4-acetoxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
With sulfuric acid at 80℃; for 3h; or 2.5percent aq. HNO3;96 % Chromat.
Multi-step reaction with 3 steps
1: H2O, 2,5percent HNO3 / 80 °C
2: 97 percent Chromat. / fuming HNO3
3: H2O, CaCO3 / 4 h / 85 °C
View Scheme
Multi-step reaction with 3 steps
1: H2O, 2,5percent HNO3 / 80 °C
2: 97 percent Chromat.
3: H2O, CaCO3 / 4 h / 85 °C
View Scheme
94412-95-0

(R)-2-methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl nitrate

A

77832-42-9

(R)-4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

B

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
With water; calcium carbonate at 85℃; for 4h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
With water; calcium carbonate at 85℃; for 4h; Yield given. Yields of byproduct given;
With water; calcium carbonate at 85℃; for 4h; Product distribution; different amounts of CaCO3; or mesylate instead of nitrate;
95413-30-2

(R)-2-methyl-4-oxo-3-(2-propynyl)-2-cyclopentenyl methanesulfonate

A

77832-42-9

(R)-4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

B

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
With water; calcium carbonate at 85℃; for 4h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
With water; calcium carbonate at 85℃; for 4h; Yield given. Yields of byproduct given;
139107-32-7

C9H11BO4

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: H2O, CaCO3 / 4 h / 85 °C
2: fuming HNO3
3: H2O, 2,5percent HNO3 / 80 °C
View Scheme
Multi-step reaction with 3 steps
1: H2O, CaCO3 / 4 h / 85 °C
2: 97 percent Chromat. / fuming HNO3
3: H2O, CaCO3 / 4 h / 85 °C
View Scheme
Multi-step reaction with 3 steps
1: H2O, CaCO3 / 4 h / 85 °C
3: H2O, 2,5percent HNO3 / 80 °C
View Scheme
Multi-step reaction with 3 steps
1: H2O, CaCO3 / 4 h / 85 °C
2: 97 percent Chromat.
3: H2O, CaCO3 / 4 h / 85 °C
View Scheme
77832-42-9

(R)-4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: fuming HNO3
2: H2O, 2,5percent HNO3 / 80 °C
View Scheme
Multi-step reaction with 2 steps
1: 97 percent Chromat. / fuming HNO3
2: H2O, CaCO3 / 4 h / 85 °C
View Scheme
Multi-step reaction with 2 steps
2: H2O, 2,5percent HNO3 / 80 °C
View Scheme
96189-00-3

(+/-)-4-acetoxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 46 percent / arthrobacter lipase
2: fuming HNO3
3: H2O, 2,5percent HNO3 / 80 °C
View Scheme
Multi-step reaction with 3 steps
1: 46 percent / arthrobacter lipase
2: 97 percent Chromat. / fuming HNO3
3: H2O, CaCO3 / 4 h / 85 °C
View Scheme
Multi-step reaction with 4 steps
1: 46 percent / arthrobacter lipase
2: H2O, 2,5percent HNO3 / 80 °C
3: 97 percent Chromat. / fuming HNO3
4: H2O, CaCO3 / 4 h / 85 °C
View Scheme
94412-95-0

(R)-2-methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl nitrate

77087-34-4

(S)-4-hydroxy-3-methyl-2-(2-propynyl)-cyclopent-2-ene-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: H2O, CaCO3 / 4 h / 85 °C
3: H2O, 2,5percent HNO3 / 80 °C
View Scheme
Multi-step reaction with 3 steps
1: H2O, CaCO3 / 4 h / 85 °C
2: 97 percent Chromat.
3: H2O, CaCO3 / 4 h / 85 °C
View Scheme
Multi-step reaction with 3 steps
1: H2O, CaCO3 / 4 h / 85 °C / different amounts of CaCO3; or mesylate instead of nitrate
2: triethylamine / acetone / 2 h / -15 °C
3: H2O, CaCO3 / 4 h / 85 °C
View Scheme
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    77087-34-4 CAS NO.77087-34-4

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    Finetech Industry Limited is a company in England,which specializing in developing, manufacturing and marketing fine organic compounds and intermediates for the fine chemical and p

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    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-27-87465837

    Address:wuhan

       Inquiry Now

  • 2-Cyclopenten-1-one,4-hydroxy-3-methyl-2-(2-propyn-1-yl)-, (4S)-

  • Casno:

    77087-34-4

    2-Cyclopenten-1-one,4-hydroxy-3-methyl-2-(2-propyn-1-yl)-, (4S)-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    2-Cyclopenten-1-one,4-hydroxy-3-methyl-2-(2-propyn-1-yl)-, (4S)-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediat

    Nanjing Raymon Biotech Co., Ltd. is specialized in developing and marketing middle & high level pharmaceutical intermediates. We are supplying different categories of high-quality

  • Nanjing Raymon Biotech Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-025-52181296

    Address:Block B, No. 918, Shuanglong Avenue

       Inquiry Now

  • CSR081605-60283

  • Casno:

    77087-34-4

    CSR081605-60283

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    Price, Purity Application:reagent

    Skyrun Industrial Co.Limited (CSR Ind), established in 2003, a state-controlled company(By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing ra

  • Skyrun Industrial Co.,Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-576-84610586

    Address:Chemical Development Zone

       Inquiry Now

  • Total:23 Page 1 of 1 1
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