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Ethyl 4,4-dimethoxy-3-methyl-2-butenoate is an organic compound characterized by its chemical formula C10H16O4. It is a colorless liquid with a distinctive fruity, sweet odor, making it a popular choice for use in the flavor and fragrance industry.
Used in Flavor and Fragrance Industry:
Ethyl 4,4-dimethoxy-3-methyl-2-butenoate is used as a flavoring agent for its fruity, sweet scent, contributing to the taste and aroma profiles of various food and beverage products.
Used in Personal Care Industry:
In the personal care industry, ethyl 4,4-dimethoxy-3-methyl-2-butenoate is used as a fragrance ingredient in products such as perfumes and soaps, enhancing their sensory appeal.
Used in Pharmaceutical Industry:
Ethyl 4,4-dimethoxy-3-methyl-2-butenoate is utilized as an intermediate in the synthesis of pharmaceuticals, playing a crucial role in the development of various medicinal compounds.
Used in Organic Compounds Synthesis:
This chemical is also employed as an intermediate in the synthesis of other organic compounds, broadening its applications across different chemical industries.

83803-81-0

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83803-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83803-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,0 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 83803-81:
(7*8)+(6*3)+(5*8)+(4*0)+(3*3)+(2*8)+(1*1)=140
140 % 10 = 0
So 83803-81-0 is a valid CAS Registry Number.
InChI:InChI=1/C9H16O4/c1-5-13-8(10)6-7(2)9(11-3)12-4/h6,9H,5H2,1-4H3/b7-6+

83803-81-0SDS

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 4,4-dimethoxy-3-methyl-2-Butenoic acid, ethyl ester

1.2 Other means of identification

Product number -
Other names -

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:83803-81-0 SDS

83803-81-0Relevant articles and documents

Toward Leiodermatolide: Synthesis of the Core Structure

Reiss, Anita,Maier, Martin E.

supporting information, p. 3146 - 3149 (2016/07/13)

The macrocyclic core (35) of the marine natural product leiodermatolide (1) was synthesized from two key fragments, vinyl iodide 23 (C1-C11 part) and vinyl stannane 31 (C12-C18 part). A Stille coupling led to conjugated Z,Z-diene 32. The derived seco acid 34 was cyclized using a Yamaguchi macrolactonization. Key steps in the assembly of vinyl iodide 23 were a Paterson aldol reaction, and a Kumada coupling on a triflate derivative to create the C4-C5 trisubstituted double bond. The two stereocenters in fragment 31 were established by a Marshall-Tamaru reaction. The longest linear sequence comprises 20 steps.

Process for total synthesis of pladienolide B and pladienolide D

-

Page/Page column 27-28, (2010/11/29)

[Problems to be Solved] To provide an effective process for total synthesis of pladienolide B and pladienolide D having excellent anti-tumor activity and to provide useful intermediates in the above-described process. [Measure for Solving the Problem] A process for producing a compound represented by Formula (11): wherein P1, P7, P8, P9 and R1 are the same as defined below, characterized by including reacting a compound represented by Formula (12): wherein P7 means a hydrogen atom or a protecting group for hydroxy group; R1 means a hydrogen atom or a hydroxy group, with a compound represented by Formula (13): wherein P1 means a hydrogen atom or a protecting group for hydroxy group; P8 means a hydrogen atom, an acetyl group or a protecting group for hydroxy group; P9 means a hydrogen atom or a protecting group for hydroxy group; or P8 and P9 may form together a group represented by a formula: wherein R5 means a phenyl group which may have a substituent, in the presence of a catalyst.

Total synthesis of the potent antitumor macrolides pladienolide B and D

Kanada, Regina M.,Itoh, Daisuke,Nagai, Mitsuo,Niijima, Jun,Asai, Naoki,Mizui, Yoshiharu,Abe, Shinya,Kotake, Yoshihiko

, p. 4350 - 4355 (2008/03/12)

Getting cross: The total syntheses of two pladienolides (see picture), which have prominent antitumor activity based on a unique mechanism of action, have been accomplished, and their absolute configurations were verified. The 12-membered aliphatic macrolide structure was formed by ring-closing metathesis, and the side-chain moiety was coupled to the macrolide by Julia-Kocienski olefination or cross-metathesis. (Chemical Equation Presented).

Simple, Catalytic Enantioselective Syntheses of Estrone and Desogestrel

Hu, Qi-Ying,Rege, Pankaj D.,Corey

, p. 5984 - 5986 (2007/10/03)

Highly enantioselective and very short syntheses of the bioactive forms of estrone (3) and desogestrel (4) are described using a chiral oxazaborolidinium catalyst (2) in the key initial step. Enantiomerically pure estrone was synthesized in eight steps from the readily available starting materials diene 5 and α,β-enal 6 via intermediates 8 and 9. Desogestrel was synthesized using a similar strategy from diene 5 and α,β-enal 11 via intermediates 12-17. The efficient syntheses of the chiral catalyst 2 and its enantiomer are also presented. Copyright

Triene compounds having a chromene structure

-

, (2008/06/13)

Compounds of general formula (I): STR1 in which: R1, R2, R3 and R4, which may be identical or different, denote a hydrogen atom, a halogen atom or a lower alkyl, lower alkenyl, lower alkyloxy or lower alkenyloxy group, optionally substituted with one or more halogen atoms, R5 denotes a carboxyl, (lower alkyloxy)carbonyl, (lower alkenyloxy)carbonyl or (lower alkynyloxy)-carbonyl, their isomers, stereoisomers and diastereoisomers, and also their addition salts with a pharmaceutically acceptable base. Medicinal products.

Synthesis of New Aromatic Retinoid Analogues by Low-Valent Titanium Induced Reductive Elimination

Solladie, Guy,Girardin, Andre,Lang, Gerard

, p. 2620 - 2628 (2007/10/02)

The low-valent titanium reductive elimination reaction, already applied to the stereospecific synthesis of vitamin A and 13-cis-retinol, was used to prepare several retinoic acid analogues in the all-trans configuration or in the 13-cis configuration.This highly stereospecific trans-diene formation allowed an improved synthesis of the title compounds without any purification of the intermediates before the final stage.

HIGHLY STEREOSELECTIVE SYNTHESIS OF VITAMIN A AND ALL-TRANS RETINOIC ACID BY LOW-VALENT TITANIUM INDUCED REDUCTIVE ELIMINATION

Solladie, Guy,Girardin, Andre

, p. 213 - 216 (2007/10/02)

Application of the low-valent Titanium induced reductive elimination gave a new and highly stereoselective approach to vitamin A and all-trans retinoic acid.

A NEW SYNTHESIS OF Δ2-BUTENOLIDES VIA STEREOSELECTIVE FORMATION OF α,β-ETHYLENIC ESTERS

Larcheveque, M.,Legueut, Ch.,Debal, A.,Lallemand, J. Y.

, p. 1595 - 1598 (2007/10/02)

A new synthesis of Δ2-butenolides is described which involves stereoselective condensation of an α-silyl ester anion with an α-ketoacetal.

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