AT227698B - Process for the preparation of new derivatives of 3-phenyl-spiro- [2H, 1-benzopyran-2,2 '- (2'H, 1'-benzopyran)] - Google Patents

Process for the preparation of new derivatives of 3-phenyl-spiro- [2H, 1-benzopyran-2,2 '- (2'H, 1'-benzopyran)]

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Publication number
AT227698B
AT227698B AT524460A AT524460A AT227698B AT 227698 B AT227698 B AT 227698B AT 524460 A AT524460 A AT 524460A AT 524460 A AT524460 A AT 524460A AT 227698 B AT227698 B AT 227698B
Authority
AT
Austria
Prior art keywords
benzopyran
positions
spiro
phenyl
preparation
Prior art date
Application number
AT524460A
Other languages
German (de)
Original Assignee
Ncr Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of AT227698B publication Critical patent/AT227698B/en

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  • Compositions Of Macromolecular Compounds (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 
 EMI1.3 
 
 EMI1.4 
 
 EMI1.5 
 
 EMI1.6 
 
 EMI1.7 
 
<tb> 
<tb> Ringstellungen
<tb> l-benR
<tb> 8 <SEP> ; <SEP> 8' <SEP> 5'-6'5 <SEP> ; <SEP> 5' <SEP> ; <SEP> 7 <SEP> ; <SEP> 7'6 <SEP> ; <SEP> 6' <SEP> 
<tb> (1) <SEP> null...................... <SEP> 0, <SEP> 00 <SEP> 0, <SEP> 00 <SEP> 0, <SEP> 00 <SEP> 
<tb> (2) <SEP> -CHa...................... <SEP> -0, <SEP> 17 <SEP> -0, <SEP> 069 <SEP> -0, <SEP> 306 <SEP> 
<tb> (3)-Ch2 <SEP> CHg...................-0, <SEP> 16-0, <SEP> 0625-0, <SEP> 291 <SEP> 
<tb> (4)-CH(CH3)2.................. <SEP> -0,15 <SEP> -0,0589 <SEP> -0,276
<tb> (5)-C(CH3)3................... <SEP> -0,14 <SEP> -0,0581 <SEP> -0,250
<tb> (6) <SEP> C6H5- <SEP> ..................... <SEP> 0,00 <SEP> +0,06 <SEP> -0,01
<tb> (7)-CF3........................ <SEP> +0,43 <SEP> +0,54
<tb> (8)-CN.......................

   <SEP> +0, <SEP> 56 <SEP> +0, <SEP> 66 <SEP> 
<tb> (9)-COCH3....................... <SEP> +0,376 <SEP> +0,502
<tb> (10)-CO2C2H5.................... <SEP> +0,37 <SEP> +0,45
<tb> (11)-CO2H........................ <SEP> +0,37 <SEP> +0,45
<tb> (12)-NH2......................... <SEP> -0,16 <SEP> -0,66
<tb> 
 

 <Desc/Clms Page number 2> 

 
 EMI2.1 
 
 EMI2.2 
 

 <Desc/Clms Page number 3> 

 
 EMI3.1 




   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 
 EMI1.3
 
 EMI1.4
 
 EMI1.5
 
 EMI1.6
 
 EMI1.7
 
<tb>
<tb> ring positions
<tb> l-benR
<tb> 8 <SEP>; <SEP> 8 '<SEP> 5'-6'5 <SEP>; <SEP> 5 '<SEP>; <SEP> 7 <SEP>; <SEP> 7'6 <SEP>; <SEP> 6 '<SEP>
<tb> (1) <SEP> null ...................... <SEP> 0, <SEP> 00 <SEP> 0, <SEP> 00 <SEP> 0, <SEP> 00 <SEP>
<tb> (2) <SEP> -CHa ...................... <SEP> -0, <SEP> 17 <SEP> -0, < SEP> 069 <SEP> -0, <SEP> 306 <SEP>
<tb> (3) -Ch2 <SEP> CHg ...................- 0, <SEP> 16-0, <SEP> 0625-0, <SEP > 291 <SEP>
<tb> (4) -CH (CH3) 2 .................. <SEP> -0.15 <SEP> -0.0589 <SEP> -0.276
<tb> (5) -C (CH3) 3 ................... <SEP> -0.14 <SEP> -0.0581 <SEP> -0.250
<tb> (6) <SEP> C6H5- <SEP> ..................... <SEP> 0.00 <SEP> +0.06 <SEP > -0.01
<tb> (7) -CF3 ........................ <SEP> +0.43 <SEP> +0.54
<tb> (8) -CN .......................

   <SEP> +0, <SEP> 56 <SEP> +0, <SEP> 66 <SEP>
<tb> (9) -COCH3 ....................... <SEP> +0.376 <SEP> +0.502
<tb> (10) -CO2C2H5 .................... <SEP> +0.37 <SEP> +0.45
<tb> (11) -CO2H ........................ <SEP> +0.37 <SEP> +0.45
<tb> (12) -NH2 ......................... <SEP> -0.16 <SEP> -0.66
<tb>
 

 <Desc / Clms Page number 2>

 
 EMI2.1
 
 EMI2.2
 

 <Desc / Clms Page number 3>

 
 EMI3.1

Claims (1)

EMI3.2 worin Ri und bzw. oder Ri'einen oder mehrere der in der-in der Beschreibung enthaltenen-Tabelle unter (1) bis (37) angeführten Substituenten R in den Stellungen 5,6, 7 und 8 bzw. 5', 6', 7', 8'bedeuten, wobei Ri und Ri'und ihre Stellungen derart gewählt sind, dass das Reaktionsprodukt (A) dem folgenden Ausdruck genügt : EMI3.3 worin p die Stellungen 5,6, 7 und 8 der Substituenten Ri und q die Stellungen 5', 6', 7'und 8'der Sub- EMI3.4 und Piperidin als Katalysator kondensiert wird, und dass das so erhaltene Zwischenprodukt mit einem entsprechend substituiertem Salicylaldehyd unter Verwendung von Eisessig als Lösungsmittel und eingeblasenem Chlorwasserstoff als Katalysator weiterkondensiert wird. EMI3.2 wherein Ri and or or Ri 'one or more of the substituents R listed in the table under (1) to (37) in the positions 5, 6, 7 and 8 or 5', 6 ', 7 ', 8' mean, where Ri and Ri 'and their positions are chosen such that the reaction product (A) satisfies the following expression: EMI3.3 where p is the positions 5, 6, 7 and 8 of the substituents Ri and q is the positions 5 ', 6', 7 'and 8' of the sub- EMI3.4 and piperidine is condensed as a catalyst, and that the intermediate product thus obtained is further condensed with an appropriately substituted salicylaldehyde using glacial acetic acid as the solvent and injected hydrogen chloride as the catalyst.
AT524460A 1959-07-15 1960-07-08 Process for the preparation of new derivatives of 3-phenyl-spiro- [2H, 1-benzopyran-2,2 '- (2'H, 1'-benzopyran)] AT227698B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US227698XA 1959-07-15 1959-07-15

Publications (1)

Publication Number Publication Date
AT227698B true AT227698B (en) 1963-06-10

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ID=21811345

Family Applications (1)

Application Number Title Priority Date Filing Date
AT524460A AT227698B (en) 1959-07-15 1960-07-08 Process for the preparation of new derivatives of 3-phenyl-spiro- [2H, 1-benzopyran-2,2 '- (2'H, 1'-benzopyran)]

Country Status (1)

Country Link
AT (1) AT227698B (en)

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