SlideShare ist ein Scribd-Unternehmen logo
1 von 17
Downloaden Sie, um offline zu lesen
The chemoselectivity
The selectivity
• Thisquestion arises from presence of more than one
functional group.
The chemoselectivity
• It is matter of reactivity ….
The chemoselectivity
• Which is more reactive ??
The chemoselectivity
The chemoselectivity
The chemoselectivity
Dianions
• Last formed , react first ????




                    16


         25
Protecting groups
Protecting groups
Protecting groups
Protecting groups
Oxidizing agents




• Oxidation of primary alcohols
Oxidizing agents
• Oxidation   of primary alcohols
                                    • Dess – Martin oxidation




                                • Swern oxidation
Oxidizing agents
• Oxidation of secondary alcohols to acids

• Cr (VI) and Mn (VII) still the preferred agents.
Think bout it ?
Think about it ?

Weitere ähnliche Inhalte

Was ist angesagt?

Was ist angesagt? (20)

Carbenes .......
Carbenes .......Carbenes .......
Carbenes .......
 
Phase transfer catalysis
Phase transfer catalysisPhase transfer catalysis
Phase transfer catalysis
 
Spiranes_sem_2
Spiranes_sem_2Spiranes_sem_2
Spiranes_sem_2
 
Photochemistry of alkenes
Photochemistry of alkenesPhotochemistry of alkenes
Photochemistry of alkenes
 
FREE RADICALS , CARBENES AND NITRENES.pptx
FREE RADICALS , CARBENES AND NITRENES.pptxFREE RADICALS , CARBENES AND NITRENES.pptx
FREE RADICALS , CARBENES AND NITRENES.pptx
 
Hydrogenation, catalytic hydrogenation
Hydrogenation, catalytic hydrogenationHydrogenation, catalytic hydrogenation
Hydrogenation, catalytic hydrogenation
 
Retrosynthes analysis and disconnection approach
Retrosynthes analysis and disconnection approach Retrosynthes analysis and disconnection approach
Retrosynthes analysis and disconnection approach
 
Asymmetric synthesis
Asymmetric  synthesisAsymmetric  synthesis
Asymmetric synthesis
 
Cyanoborohydride
CyanoborohydrideCyanoborohydride
Cyanoborohydride
 
Nitrenes - Bebeto . G
Nitrenes - Bebeto . GNitrenes - Bebeto . G
Nitrenes - Bebeto . G
 
SYMMETRY ELEMENTS AND SYMMETRY OPERATIONS
SYMMETRY ELEMENTS AND SYMMETRY OPERATIONSSYMMETRY ELEMENTS AND SYMMETRY OPERATIONS
SYMMETRY ELEMENTS AND SYMMETRY OPERATIONS
 
4. Wilkinson's Catalyst
4. Wilkinson's Catalyst4. Wilkinson's Catalyst
4. Wilkinson's Catalyst
 
Protecting Groups In Organic Synthesis
Protecting Groups In Organic SynthesisProtecting Groups In Organic Synthesis
Protecting Groups In Organic Synthesis
 
Birch reduction
Birch reductionBirch reduction
Birch reduction
 
Photochemistry of Carbonyl Compound, Norrish type I and Type II Reaction
Photochemistry of Carbonyl Compound, Norrish type I and Type II ReactionPhotochemistry of Carbonyl Compound, Norrish type I and Type II Reaction
Photochemistry of Carbonyl Compound, Norrish type I and Type II Reaction
 
Reduction reactions
Reduction reactionsReduction reactions
Reduction reactions
 
Carbanion
CarbanionCarbanion
Carbanion
 
Carbene
CarbeneCarbene
Carbene
 
Photo redox reactions
Photo redox reactionsPhoto redox reactions
Photo redox reactions
 
Metal carbonyls
Metal carbonylsMetal carbonyls
Metal carbonyls
 

Andere mochten auch

Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.
Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.
Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.SANTOSH KUMAR SAHOO
 
Regioselective 1H-1,2,4 Triazole alkylation
Regioselective 1H-1,2,4 Triazole alkylationRegioselective 1H-1,2,4 Triazole alkylation
Regioselective 1H-1,2,4 Triazole alkylationParth Shah
 
Protecting Groups
Protecting GroupsProtecting Groups
Protecting Groupsmunirnizami
 
chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...
chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...
chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...VasiUddin Siddiqui
 
best presentation on organic chemistry (mechanism )
best presentation on organic chemistry (mechanism )best presentation on organic chemistry (mechanism )
best presentation on organic chemistry (mechanism )MaxBisht
 
Synthesis of schiff base complexes and their biological studies presentation
Synthesis of schiff base complexes and their biological studies  presentationSynthesis of schiff base complexes and their biological studies  presentation
Synthesis of schiff base complexes and their biological studies presentationShafqat Ali
 
Applications of click chemistry in drug discovery
Applications of click chemistry in drug discoveryApplications of click chemistry in drug discovery
Applications of click chemistry in drug discoveryrita martin
 
Click Chemistry Presentation - for Department of Chemistry, University of Mi...
Click Chemistry Presentation - for  Department of Chemistry, University of Mi...Click Chemistry Presentation - for  Department of Chemistry, University of Mi...
Click Chemistry Presentation - for Department of Chemistry, University of Mi...Aswin Garimalla
 
Neighbouring group participation, organic chemistry, M.SC.2
Neighbouring group participation, organic chemistry, M.SC.2Neighbouring group participation, organic chemistry, M.SC.2
Neighbouring group participation, organic chemistry, M.SC.2JOYNA123
 
PhD Viva voce Presentation 19012015 (1)
PhD Viva voce Presentation 19012015 (1)PhD Viva voce Presentation 19012015 (1)
PhD Viva voce Presentation 19012015 (1)Sudhir Sawant
 
Click chemistry appliations in polymer science
Click chemistry appliations in polymer scienceClick chemistry appliations in polymer science
Click chemistry appliations in polymer scienceSasidhar Kantheti
 
Protecting Groups (Examples)
Protecting Groups (Examples)Protecting Groups (Examples)
Protecting Groups (Examples)munirnizami
 

Andere mochten auch (20)

Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.
Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.
Protecting groups and deprotection- -OH, -COOH, C=O, -NH2 groups.
 
Regioselective 1H-1,2,4 Triazole alkylation
Regioselective 1H-1,2,4 Triazole alkylationRegioselective 1H-1,2,4 Triazole alkylation
Regioselective 1H-1,2,4 Triazole alkylation
 
Protecting Groups
Protecting GroupsProtecting Groups
Protecting Groups
 
chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...
chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...
chemoselective oxidation of secondary alcohols using a ruthenium phenylendeny...
 
Driven Sports Triazole
Driven Sports TriazoleDriven Sports Triazole
Driven Sports Triazole
 
best presentation on organic chemistry (mechanism )
best presentation on organic chemistry (mechanism )best presentation on organic chemistry (mechanism )
best presentation on organic chemistry (mechanism )
 
Organic chemistry
Organic chemistryOrganic chemistry
Organic chemistry
 
Synthesis of schiff base complexes and their biological studies presentation
Synthesis of schiff base complexes and their biological studies  presentationSynthesis of schiff base complexes and their biological studies  presentation
Synthesis of schiff base complexes and their biological studies presentation
 
Azoles triazoles-tetrazoles
Azoles triazoles-tetrazolesAzoles triazoles-tetrazoles
Azoles triazoles-tetrazoles
 
Applications of click chemistry in drug discovery
Applications of click chemistry in drug discoveryApplications of click chemistry in drug discovery
Applications of click chemistry in drug discovery
 
Click Chemistry Presentation - for Department of Chemistry, University of Mi...
Click Chemistry Presentation - for  Department of Chemistry, University of Mi...Click Chemistry Presentation - for  Department of Chemistry, University of Mi...
Click Chemistry Presentation - for Department of Chemistry, University of Mi...
 
Neighbouring group participation, organic chemistry, M.SC.2
Neighbouring group participation, organic chemistry, M.SC.2Neighbouring group participation, organic chemistry, M.SC.2
Neighbouring group participation, organic chemistry, M.SC.2
 
Tetrazole and triazole
Tetrazole and triazoleTetrazole and triazole
Tetrazole and triazole
 
PhD Viva voce Presentation 19012015 (1)
PhD Viva voce Presentation 19012015 (1)PhD Viva voce Presentation 19012015 (1)
PhD Viva voce Presentation 19012015 (1)
 
Click chemistry appliations in polymer science
Click chemistry appliations in polymer scienceClick chemistry appliations in polymer science
Click chemistry appliations in polymer science
 
Protecting Groups (Examples)
Protecting Groups (Examples)Protecting Groups (Examples)
Protecting Groups (Examples)
 
Drug design
Drug designDrug design
Drug design
 
FGIs
FGIsFGIs
FGIs
 
Ph.D. work ppt presentation
Ph.D. work ppt presentationPh.D. work ppt presentation
Ph.D. work ppt presentation
 
Drug design
Drug designDrug design
Drug design
 

Kürzlich hochgeladen

3.21.24 The Origins of Black Power.pptx
3.21.24  The Origins of Black Power.pptx3.21.24  The Origins of Black Power.pptx
3.21.24 The Origins of Black Power.pptxmary850239
 
3.26.24 Race, the Draft, and the Vietnam War.pptx
3.26.24 Race, the Draft, and the Vietnam War.pptx3.26.24 Race, the Draft, and the Vietnam War.pptx
3.26.24 Race, the Draft, and the Vietnam War.pptxmary850239
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxraviapr7
 
Optical Fibre and It's Applications.pptx
Optical Fibre and It's Applications.pptxOptical Fibre and It's Applications.pptx
Optical Fibre and It's Applications.pptxPurva Nikam
 
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRADUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRATanmoy Mishra
 
EBUS5423 Data Analytics and Reporting Bl
EBUS5423 Data Analytics and Reporting BlEBUS5423 Data Analytics and Reporting Bl
EBUS5423 Data Analytics and Reporting BlDr. Bruce A. Johnson
 
How to Create a Toggle Button in Odoo 17
How to Create a Toggle Button in Odoo 17How to Create a Toggle Button in Odoo 17
How to Create a Toggle Button in Odoo 17Celine George
 
Slides CapTechTalks Webinar March 2024 Joshua Sinai.pptx
Slides CapTechTalks Webinar March 2024 Joshua Sinai.pptxSlides CapTechTalks Webinar March 2024 Joshua Sinai.pptx
Slides CapTechTalks Webinar March 2024 Joshua Sinai.pptxCapitolTechU
 
SOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptx
SOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptxSOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptx
SOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptxSyedNadeemGillANi
 
How to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 SalesHow to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 SalesCeline George
 
KARNAADA.pptx made by - saransh dwivedi ( SD ) - SHALAKYA TANTRA - ENT - 4...
KARNAADA.pptx  made by -  saransh dwivedi ( SD ) -  SHALAKYA TANTRA - ENT - 4...KARNAADA.pptx  made by -  saransh dwivedi ( SD ) -  SHALAKYA TANTRA - ENT - 4...
KARNAADA.pptx made by - saransh dwivedi ( SD ) - SHALAKYA TANTRA - ENT - 4...M56BOOKSTORE PRODUCT/SERVICE
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.raviapr7
 
How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17Celine George
 
Department of Health Compounder Question ‍Solution 2022.pdf
Department of Health Compounder Question ‍Solution 2022.pdfDepartment of Health Compounder Question ‍Solution 2022.pdf
Department of Health Compounder Question ‍Solution 2022.pdfMohonDas
 
Protein Structure - threading Protein modelling pptx
Protein Structure - threading Protein modelling pptxProtein Structure - threading Protein modelling pptx
Protein Structure - threading Protein modelling pptxvidhisharma994099
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17Celine George
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfMohonDas
 
CapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapitolTechU
 
How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17Celine George
 

Kürzlich hochgeladen (20)

3.21.24 The Origins of Black Power.pptx
3.21.24  The Origins of Black Power.pptx3.21.24  The Origins of Black Power.pptx
3.21.24 The Origins of Black Power.pptx
 
3.26.24 Race, the Draft, and the Vietnam War.pptx
3.26.24 Race, the Draft, and the Vietnam War.pptx3.26.24 Race, the Draft, and the Vietnam War.pptx
3.26.24 Race, the Draft, and the Vietnam War.pptx
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptx
 
Optical Fibre and It's Applications.pptx
Optical Fibre and It's Applications.pptxOptical Fibre and It's Applications.pptx
Optical Fibre and It's Applications.pptx
 
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRADUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
 
EBUS5423 Data Analytics and Reporting Bl
EBUS5423 Data Analytics and Reporting BlEBUS5423 Data Analytics and Reporting Bl
EBUS5423 Data Analytics and Reporting Bl
 
How to Create a Toggle Button in Odoo 17
How to Create a Toggle Button in Odoo 17How to Create a Toggle Button in Odoo 17
How to Create a Toggle Button in Odoo 17
 
Slides CapTechTalks Webinar March 2024 Joshua Sinai.pptx
Slides CapTechTalks Webinar March 2024 Joshua Sinai.pptxSlides CapTechTalks Webinar March 2024 Joshua Sinai.pptx
Slides CapTechTalks Webinar March 2024 Joshua Sinai.pptx
 
SOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptx
SOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptxSOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptx
SOLIDE WASTE in Cameroon,,,,,,,,,,,,,,,,,,,,,,,,,,,.pptx
 
How to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 SalesHow to Manage Cross-Selling in Odoo 17 Sales
How to Manage Cross-Selling in Odoo 17 Sales
 
KARNAADA.pptx made by - saransh dwivedi ( SD ) - SHALAKYA TANTRA - ENT - 4...
KARNAADA.pptx  made by -  saransh dwivedi ( SD ) -  SHALAKYA TANTRA - ENT - 4...KARNAADA.pptx  made by -  saransh dwivedi ( SD ) -  SHALAKYA TANTRA - ENT - 4...
KARNAADA.pptx made by - saransh dwivedi ( SD ) - SHALAKYA TANTRA - ENT - 4...
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.
 
How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17
 
Department of Health Compounder Question ‍Solution 2022.pdf
Department of Health Compounder Question ‍Solution 2022.pdfDepartment of Health Compounder Question ‍Solution 2022.pdf
Department of Health Compounder Question ‍Solution 2022.pdf
 
Protein Structure - threading Protein modelling pptx
Protein Structure - threading Protein modelling pptxProtein Structure - threading Protein modelling pptx
Protein Structure - threading Protein modelling pptx
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17
 
Prelims of Kant get Marx 2.0: a general politics quiz
Prelims of Kant get Marx 2.0: a general politics quizPrelims of Kant get Marx 2.0: a general politics quiz
Prelims of Kant get Marx 2.0: a general politics quiz
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdf
 
CapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptx
 
How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17How to Add a New Field in Existing Kanban View in Odoo 17
How to Add a New Field in Existing Kanban View in Odoo 17
 

The chemoselectivity