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Dicyclopropylmethanol, a synthetic organic compound, is characterized by its unique bicyclic structure and hydroxyl functional group. It is known for its ability to form esters with carboxylic acids, which can be selectively and mildly cleaved, making it a valuable reagent in organic chemistry.

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  • 14300-33-5 Structure
  • Basic information

    1. Product Name: DICYCLOPROPYLMETHANOL
    2. Synonyms: Cyclopropanemethanol, alpha-cyclopropyl-;DCPM-OH;DICYCLOPROPYL CARBINOL;DICYCLOPROPYLMETHANOL;Biscyclopropylmethanol;Dicyclopropylmethyl alcohol;Einecs 238-236-3;Dicyclopropyl carbinol 97%
    3. CAS NO:14300-33-5
    4. Molecular Formula: C7H12O
    5. Molecular Weight: 112.17
    6. EINECS: 238-236-3
    7. Product Categories: N/A
    8. Mol File: 14300-33-5.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 69 °C13 mm Hg(lit.)
    3. Flash Point: >110°C
    4. Appearance: /
    5. Density: 0.951 g/mL at 20 °C(lit.)
    6. Vapor Pressure: 0.357mmHg at 25°C
    7. Refractive Index: n20/D 1.464
    8. Storage Temp.: 2-8°C
    9. Solubility: N/A
    10. PKA: 15.04±0.20(Predicted)
    11. Water Solubility: Sparingly soluble in water.
    12. BRN: 2203215
    13. CAS DataBase Reference: DICYCLOPROPYLMETHANOL(CAS DataBase Reference)
    14. NIST Chemistry Reference: DICYCLOPROPYLMETHANOL(14300-33-5)
    15. EPA Substance Registry System: DICYCLOPROPYLMETHANOL(14300-33-5)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: 24/25
    4. WGK Germany: 3
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 14300-33-5(Hazardous Substances Data)

14300-33-5 Usage

Uses

Used in Chemical Synthesis:
Dicyclopropylmethanol is used as a protecting group reagent for carboxylic acids. The formed esters provide a means to temporarily shield the carboxylic acid functionality during chemical reactions, preventing unwanted side reactions. This selective protection is particularly useful in multi-step synthesis processes, where the integrity of the carboxylic acid group must be maintained until a specific reaction step.
The mild and selective cleavage of the esters formed with dicyclopropylmethanol allows for the controlled deprotection of the carboxylic acid, ensuring minimal disruption to the rest of the molecule and facilitating the completion of the desired synthesis. This application is crucial in the development of complex organic molecules, including pharmaceuticals, agrochemicals, and advanced materials.

Check Digit Verification of cas no

The CAS Registry Mumber 14300-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,3,0 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 14300-33:
(7*1)+(6*4)+(5*3)+(4*0)+(3*0)+(2*3)+(1*3)=55
55 % 10 = 5
So 14300-33-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H12O/c8-7(5-1-2-5)6-3-4-6/h5-8H,1-4H2

14300-33-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name DICYCLOPROPYLMETHANOL

1.2 Other means of identification

Product number -
Other names Dicyclopropyl-Methanol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:14300-33-5 SDS

14300-33-5Relevant articles and documents

Synthesis of highly substituted γ-butyrolactones by a gold-catalyzed cascade reaction of benzyl esters

Jaimes, Maria Camila Blanco,Ahrens, Alexander,Pfl?sterer, Daniel,Rudolph, Matthias,Hashmi, A. Stephen K.

supporting information, p. 427 - 433 (2015/02/18)

Easily accessible benzylic esters of 3-butynoic acids in a gold-catalyzed cyclization/rearrangement cascade reaction provided 3-propargyl γ-butyrolactones with the alkene and the carbonyl group not being conjugated. Crossover experiments showed that the formation of the new C-C bond is an intermolecular process. Initially propargylic-benzylic esters were used, but alkyl-substituted benzylic esters worked equally well. In the case of the propargylic- benzylic products, a simple treatment of the products with aluminum oxide initiated a twofold tautomerization to the allenyl-substituted g-butyrolactones with conjugation of the carbonyl group, the olefin, and the allene. The synthetic sequence can be conducted stepwise or as a one-pot cascade reaction with similar yields. Even in the presence of the gold catalyst the new allene remains intact.

CaSR ANTAGONIST

-

Page/Page column 48-49, (2008/06/13)

The present invention provides a compound having a calcium-sensitive receptor antagonistic action, a pharmaceutical composition containing the compound, particularly a calcium receptor antagonist and a therapeutic drug for osteoporosis. A compound represented by the following formula (1), a pharmaceutically acceptable salt thereof or an optically active form thereof: wherein each symbol is as defined in the description.

Determining the σ-donor ability of the cyclopropane C-C bond

Fifer, Nathan L.,White, Jonathan M.

, p. 1776 - 1780 (2007/10/03)

The low temperature crystal structures of ester and ether derivatives of varying electron demand, derived from cyclopropylmethanol 8 and dicyclopropylmethanol 9, have been determined. These structures show a very strong response of the C-OR bond distance to the electron demand of the OR substituent, demonstrating the strong σ-donor ability of the strained C-C bonds in the cyclopropane ring. The Royal Society of Chemistry 2005.

Dimerization of Cyclopropanecarboxylic Acid Dianion and Thermal Decarboxylative Rearrangement of the Dimer to 2-Cyclopropyl-4,5-dihydrofuran

Jahngen, Edwin G. E.,Phillips, Douglas,Kobelski, Robert J.,Demko, Donald M.

, p. 2472 - 2476 (2007/10/02)

The dianion of cyclopropanecarboxylic acid (2) reacted with alkyl halides and deuterated water at temperatures below 0 deg C; however, self-condensation to the β-keto acid 3 was the only observed product at elevated temperatures.This observation contrasts the self-condensation of the ethyl ester where a trimeric diester alcohol is the product.Attempted mixed condensations of the dianion 2 and carboxylic acids without acidic α-protons did not proceed as well, 3 being the major product.Thermal decarboxylation of 3 did not yield the expected dicyclopropyl ketone; rather , a facile rearrangement in a sealed tube at 120 deg C occured, giving rise to 2-cyclopropyl-4,5-dihydrofuran.This "vinyl-cyclopropyl" type rearrangement does not occur through dicyclopropyl ketone or its enolate.

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