Detail of "4739-94-0"

CAS Number:
4739-94-0
Name:
1,4-Benzodioxin-2-carboxylicacid, 2,3-dihydro-, ethyl ester
Superlist Name:
Ethyl 1,4-benzodioxan-2-carboxylate
Molecular Structure:
Formula:
C₁₁H₁₂O₄
Molecular Weight:
208.21
Synonyms:
1,4-Benzodioxan-2-carboxylicacid, ethyl ester (7CI,8CI);2,3-Dihydro-1,4-benzodioxin-2-carboxylic acidethyl ester;Ethyl 1,4-benzodioxan-2-carboxylate;Ethyl1,4-benzodioxane-2-carboxylate;Ethyl 2,3-dihydro-1,4-benzodioxin-2-carboxylate;
Density:
1.208
Boiling Point:
287.2 °C at 760 mmHg
Flash Point:
123.6 °C
Hazard Symbols:
Xn
Risk Codes:
22

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Ethyl 2,3-Dihydro-1,4-Benzodioxine-2-Carboxylate

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Ethyl-1,4-benzodioxan-2-carboxylate

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Synthesis of 1,4-benzodioxins: Synthesis of 1,4-benzodioxins. Coudert, Gerard; Guillaumet, Gerald; Loubinoux, Bernard (Groupe Sci., Univ. Nancy I, Nancy, Fr.).Some commonly used reagents like 4739-94-0 is used in this experiment. Tetrahedron Lett., (12), 1059-62 (French) 1978. CODEN: TELEAY. ISSN: 0040-4039.Some chemicals with cas registry numbers like 4739-94-0 are also used. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) 1,4-Benzodioxins I (R = CO2Et, R1 = R2 = H; R = R2 = H, R1 = H, NO2, Cl, Br, CO2H, CO2Me; R = H, R1 = R2 = Cl) were prepd. (65-98%) from the corresponding 1,4-benzodioxans by bromination with N-bromosuccinimide using Bz2O2 as initiator, to give 2,3-dibromo-1,4-benzodioxans, followed by treatment with NaI. I (R = CO2Et, R1 = R2 = H) on sequential hydrolysis, chlorination, and treatment with piperidine gave I (R = piperidinocarbonyl, R1 = R2 = H) which on treatment with LiAlH4 gave 95% I (R = piperidinomethyl, R1 = R2 = H). ..

Synthesis of 1,4-benzodioxins: Synthesis of 1,4-benzodioxins. Coudert, Gerard; Guillaumet, Gerald; Loubinoux, Bernard (Groupe Sci., Univ. Nancy I, Nancy, Fr.).Some commonly used reagents like 4739-94-0 is used in this experiment. Tetrahedron Lett., (12), 1059-62 (French) 1978. CODEN: TELEAY. ISSN: 0040-4039.Some chemicals with cas registry numbers like 4739-94-0 are also used. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) 1,4-Benzodioxins I (R = CO2Et, R1 = R2 = H; R = R2 = H, R1 = H, NO2, Cl, Br, CO2H, CO2Me; R = H, R1 = R2 = Cl) were prepd. (65-98%) from the corresponding 1,4-benzodioxans by bromination with N-bromosuccinimide using Bz2O2 as initiator, to give 2,3-dibromo-1,4-benzodioxans, followed by treatment with NaI. I (R = CO2Et, R1 = R2 = H) on sequential hydrolysis, chlorination, and treatment with piperidine gave I (R = piperidinocarbonyl, R1 = R2 = H) which on treatment with LiAlH4 gave 95% I (R = piperidinomethyl, R1 = R2 = H). ..