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Table 4 The catalyst reusability for the synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazole]

From: Green synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazoles] using Fe3O4@l-arginine as a robust and reusable catalyst

Cycle

First

Second

Third

Fourth

Fifth

Yield (%)a

96

94

93

89

88

  1. aYields refer to the isolated pure product
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BMC Chemistry

ISSN: 2661-801X

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