User epsilon-emperor

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ICHO Synthesis Problem 2018

Jan 13 '19 at 8:17 epsilon-emperor 3,164

2

13

votes

1

answer

931

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Rearrangement with sodium iodide (ring opening)

organic-chemistry reaction-mechanism hydrocarbons nucleophilic-substitution elimination

Sep 11 '18 at 10:07 Community♦ 1

5

13

votes

2

answers

2k

views

Number of stereoisomers of tetramethylspirononane

organic-chemistry stereochemistry isomers geometrical-isomerism

May 1 '18 at 23:11 orthocresol♦ 57.5k

5

12

votes

2

answers

3k

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Rearrangements of α-aminoketones in Clemmensen reduction

organic-chemistry redox carbonyl-compounds

Jul 21 '19 at 1:49 user55119 10.8k

1

10

votes

1

answer

1k

views

Alcohol or Carbonyl - Which is more reactive towards PCl5?

organic-chemistry carbonyl-compounds nucleophilic-substitution

Aug 14 at 3:57 alaska 41

4

10

votes

1

answer

3k

views

What are the CIP rules for cyclic substituents?

nomenclature stereochemistry

May 3 '18 at 1:05 user55119 10.8k

2

10

votes

1

answer

3k

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Bridgehead carbocation: Violation of Bredt's Rule

organic-chemistry reaction-mechanism

Sep 23 '17 at 15:11 NotEvans. 16k

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9

votes

2

answers

2k

views

Why does chlorination of toluene stop at two chlorine atoms?

organic-chemistry reaction-mechanism aromatic-compounds halides

Aug 10 '18 at 9:34 Oscar Lanzi 28.5k

3

9

votes

4

answers

1k

views

Is rearrangement possible in cyclic bromonium ion?

organic-chemistry reaction-mechanism hydrocarbons

Jul 19 '18 at 21:39 KG3 349

1

8

votes

1

answer

2k

views

Racemization of ketones in presence of catalytic acid

organic-chemistry reaction-mechanism stereochemistry carbonyl-compounds

Mar 27 '20 at 7:03 Swapnil 21

2

8

votes

2

answers

281

views

Compare rate of hydrohalogenation between 1,2-diphenylethene and 1-phenylpropene

organic-chemistry reaction-mechanism reactivity hydrocarbons

Jun 3 '19 at 9:36 Chakravarthy Kalyan 3,862

1

7

votes

1

answer

1k

views

Does rearrangement occur in Friedel Crafts alkylation or not?

organic-chemistry aromatic-compounds

Dec 14 at 15:30 Vivek Yadav 81

6

votes

1

answer

231

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Enantioselectivity of Noyori Asymmetric Hydrogenation

organic-chemistry reaction-mechanism stereoselectivity organotransition-metal-chemistry

Feb 18 '20 at 18:31 Mathew Mahindaratne 28k

6

votes

1

answer

5k

views

Mechanism of dimedone preparation [closed]

organic-chemistry reaction-mechanism

Jul 3 '18 at 18:14 ringo 22.6k

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6

votes

4

answers

2k

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Why do chromyl bromide and chromyl iodide not exist?

inorganic-chemistry stability

Apr 28 '18 at 19:26 orthocresol♦ 57.5k

1

6

votes

1

answer

9k

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Product of primary amine and acid anhydride

reaction-mechanism carbonyl-compounds amines

Dec 18 '17 at 1:35 Jan 60.2k

6

votes

1

answer

72

views

Effect of Base on E2 product

organic-chemistry reaction-mechanism alcohols halides

Jun 23 '17 at 15:36 Jan 60.2k

5

votes

0

answers

794

views

Reaction of cyclopropane with hot potassium permanganate

organic-chemistry reaction-mechanism hydrocarbons organic-oxidation

Jan 12 '19 at 6:21 andselisk♦ 32.4k

1

5

votes

2

answers

890

views

Phenol and Deuterated Sulphuric Acid

organic-chemistry acid-base aromatic-compounds phenols

Oct 12 '18 at 22:00 Community♦ 1

1

5

votes

2

answers

3k

views

Rate of catalytic hydrogenation of alkenes

organic-chemistry reaction-mechanism hydrocarbons catalysis

Jul 18 '18 at 6:41 KG3 349

4

5

votes

1

answer

735

views

Epoxide ring opening via decarboxylation

organic-chemistry reaction-mechanism carbonyl-compounds

Jun 19 '18 at 4:14 Gaurang Tandon 8,246

5

votes

1

answer

3k

views

Ring opening of epoxides

organic-chemistry reaction-mechanism ethers

Jul 31 '17 at 22:17 Raul Luciano 1,218

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5

votes

1

answer

250

views

Shouldn't the Hofmann product be preferred in this elimination?

organic-chemistry reaction-mechanism

Jun 30 '17 at 4:11 Pritt says Reinstate Monica 8,017

4

votes

1

answer

119

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Fluorination of Carbonyl Compounds using Molybdenum Hexafluoride

organic-chemistry reaction-mechanism carbonyl-compounds hydrocarbons

Oct 3 '19 at 18:29 andselisk♦ 32.4k

1

4

votes

1

answer

639

views

Theory behind Experiment: Extraction and Identification of DNA

experimental-chemistry biochemistry dna-rna

Aug 26 '19 at 0:51 Mathew Mahindaratne 28k

1

4

votes

1

answer

2k

views

Compressibility Factor Graph - Which gas attains a deeper minimum?

physical-chemistry gas-laws

Jan 12 '19 at 12:53 porphyrin 24.3k

4

votes

0

answers

288

views

Reaction of alpha hydroxyketone with KOH

organic-chemistry reaction-mechanism carbonyl-compounds hydrocarbons

Jul 6 '18 at 2:59 Gaurang Tandon 8,246

1

4

votes

1

answer

335

views

Cyclisation reaction through hydrazine

organic-chemistry reaction-mechanism aromatic-compounds carbonyl-compounds

Jul 5 '18 at 2:13 Gaurang Tandon 8,246

5

4

votes

1

answer

529

views

Deciding more electrophilic centre between ester and thioester for SN type reaction

organic-chemistry reaction-mechanism carbonyl-compounds nucleophilic-substitution esters

Jun 22 '18 at 13:31 Gaurang Tandon 8,246

4

votes

1

answer

303

views

Epoxide ring opens, or not? [duplicate]

organic-chemistry reaction-mechanism ethers

Jul 1 '17 at 16:53 Community♦ 1

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67 Questions

ICHO Synthesis Problem 2018

Rearrangement with sodium iodide (ring opening)

Number of stereoisomers of tetramethylspirononane

Rearrangements of α-aminoketones in Clemmensen reduction

Alcohol or Carbonyl - Which is more reactive towards PCl5?

What are the CIP rules for cyclic substituents?

Bridgehead carbocation: Violation of Bredt's Rule

Why does chlorination of toluene stop at two chlorine atoms?

Is rearrangement possible in cyclic bromonium ion?

Racemization of ketones in presence of catalytic acid

Compare rate of hydrohalogenation between 1,2-diphenylethene and 1-phenylpropene

Does rearrangement occur in Friedel Crafts alkylation or not?

Enantioselectivity of Noyori Asymmetric Hydrogenation

Mechanism of dimedone preparation [closed]

Why do chromyl bromide and chromyl iodide not exist?

Product of primary amine and acid anhydride

Effect of Base on E2 product

Reaction of cyclopropane with hot potassium permanganate

Phenol and Deuterated Sulphuric Acid

Rate of catalytic hydrogenation of alkenes

Epoxide ring opening via decarboxylation

Ring opening of epoxides

Shouldn't the Hofmann product be preferred in this elimination?

Fluorination of Carbonyl Compounds using Molybdenum Hexafluoride

Theory behind Experiment: Extraction and Identification of DNA

Compressibility Factor Graph - Which gas attains a deeper minimum?

Reaction of alpha hydroxyketone with KOH

Cyclisation reaction through hydrazine

Deciding more electrophilic centre between ester and thioester for SN type reaction

Epoxide ring opens, or not? [duplicate]